diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index c257498..e20f591 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -123,6 +123,6 @@ def ensure_group_manager
   end
 
   def group_params
-    params.require(:group).permit(:name, :description, :privacy, :focus, :reading_list)
+    params.require(:group).permit(:name, :description, :privacy, :plan, :focus, :reading_list)
   end
 end
diff --git a/app/models/group.rb b/app/models/group.rb
index f4e12c6..add064a 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -91,6 +91,21 @@ def starting_location
     { translation: "kjv", book: first_red.book.downcase, chapter: first_red.number }
   end
 
+  # What the study reads, as the one choice the form offers: "bible",
+  # "red" (Highlighted in Red, chapter by chapter), or a reading list.
+  def plan
+    reading_list.presence || focus
+  end
+
+  def plan=(value)
+    if FOCUSES.key?(value.to_s.to_sym)
+      self.focus = value
+      self.reading_list = nil
+    else
+      self.reading_list = value
+    end
+  end
+
   # The passages on the study's list, in the order the list presents
   # them. Empty for a study with no list.
   def passages
diff --git a/app/views/groups/_form.html.erb b/app/views/groups/_form.html.erb
index 1ec6884..4d96325 100644
--- a/app/views/groups/_form.html.erb
+++ b/app/views/groups/_form.html.erb
@@ -37,28 +37,21 @@
     <% end %>
   </fieldset>
 
-  <fieldset class="space-y-2">
-    <legend class="<%= label_classes %>"><%= t("groups.focus.label") %></legend>
-    <% Group::FOCUSES.each_key do |key| %>
-      <label class="flex items-center gap-2 font-ui text-sm text-surface-700">
-        <%= f.radio_button :focus, key, class: radio_classes %>
-        <%= t("groups.focus.#{key}") %>
-      </label>
-    <% end %>
-    <p class="font-ui text-xs text-surface-600"><%= t("groups.focus.hint") %></p>
-  </fieldset>
-
+  <%# One choice for what the study reads: the whole Bible, Highlighted
+      in Red chapter by chapter, or one of the lists or themes read a
+      passage at a time. %>
   <div>
-    <%= f.label :reading_list, t("groups.reading_list.label"), class: label_classes %>
-    <%= f.select :reading_list,
+    <%= f.label :plan, t("groups.focus.label"), class: label_classes %>
+    <%= f.select :plan,
+                 options_for_select([ [ t("groups.plan.bible"), "bible" ], [ t("groups.plan.red"), "red" ] ], group.plan) +
                  grouped_options_for_select(
                    { t("groups.reading_list.lists_group") => Bible::Passages::COLLECTIONS.keys.map { |list| [ t("red.#{list}.title"), list ] },
                      t("groups.reading_list.themes_group") => Bible::Themes.all.map { |theme| [ theme.name, "#{Group::THEME_PREFIX}#{theme.slug}" ] } },
-                   group.reading_list
+                   group.plan
                  ),
-                 { include_blank: t("groups.reading_list.none") },
+                 {},
                  class: "#{input_classes} [&_option]:bg-surface-50 [&_option]:text-surface-900" %>
-    <p class="mt-1.5 font-ui text-xs text-surface-600"><%= t("groups.reading_list.hint") %></p>
+    <p class="mt-1.5 font-ui text-xs text-surface-600"><%= t("groups.plan.hint") %></p>
   </div>
 
   <div class="flex items-center justify-end gap-3">
diff --git a/app/views/groups/bible/show.html.erb b/app/views/groups/bible/show.html.erb
index 8d0e92a..86be44a 100644
--- a/app/views/groups/bible/show.html.erb
+++ b/app/views/groups/bible/show.html.erb
@@ -22,9 +22,13 @@
 
   <header class="space-y-3 border-b border-surface-200 pb-6">
     <div class="flex items-center justify-between gap-3">
-      <p class="font-ui text-xs font-medium uppercase tracking-wider text-surface-500">
-        <%= @translation.name %>
-      </p>
+      <%# On a passage page the translation is named beside the
+          reference, under the title. %>
+      <% unless @passage %>
+        <p class="font-ui text-xs font-medium uppercase tracking-wider text-surface-500">
+          <%= @translation.name %>
+        </p>
+      <% end %>
       <% if @passage %>
         <% if @appearances.size > 1 %>
           <nav aria-label="<%= t("red.parables.told_in") %>" class="passage-tellings flex flex-wrap items-center gap-1 font-ui text-sm">
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 34131cf..5e6736a 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -379,15 +379,14 @@ en:
       open_group: Open
     focus:
       label: What this study reads
-      bible: The whole Bible
       red: Highlighted in Red
-      hint: A study of Highlighted in Red reads Jesus's words, chapter by chapter, with the story around them dimmed.
+    plan:
+      bible: The whole Bible
+      red: Highlighted in Red, chapter by chapter
+      hint: Highlighted in Red reads Jesus's words with the story around them dimmed. Pick a list or a theme to read one passage at a time, with a marker for where the study is.
     reading_list:
-      label: Work through a list
-      none: No list. Read chapter by chapter
-      lists_group: Lists
-      themes_group: Themes
-      hint: Optional. The study reads one passage at a time, and a manager marks where you are. Choosing a list makes this a Highlighted in Red study.
+      lists_group: One passage at a time
+      themes_group: A theme, one passage at a time
       working_through: "Working through: %{list}"
       intro: Read one passage at a time. A manager marks where the study is.
       open_current: "Open: %{title}"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 5e04e69..1f6495b 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -372,15 +372,14 @@ es:
       open_group: Abierto
     focus:
       label: Qué lee este estudio
-      bible: Toda la Biblia
       red: En Rojo
-      hint: Un estudio de En Rojo lee las palabras de Jesús, capítulo por capítulo, con el relato que las rodea atenuado.
+    plan:
+      bible: Toda la Biblia
+      red: En Rojo, capítulo por capítulo
+      hint: En Rojo lee las palabras de Jesús con el relato que las rodea atenuado. Elige una lista o un tema para leer un pasaje a la vez, con una marca de por dónde va el estudio.
     reading_list:
-      label: Recorrer una lista
-      none: Sin lista. Leer capítulo por capítulo
-      lists_group: Listas
-      themes_group: Temas
-      hint: Opcional. El estudio lee un pasaje a la vez, y un administrador marca por dónde van. Al elegir una lista, este será un estudio de En Rojo.
+      lists_group: Un pasaje a la vez
+      themes_group: Un tema, un pasaje a la vez
       working_through: "Recorriendo: %{list}"
       intro: Lean un pasaje a la vez. Un administrador marca por dónde va el estudio.
       open_current: "Abrir: %{title}"
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index cb52242..37fb8f0 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -102,6 +102,25 @@
       expect(group).to be_focus_red
     end
 
+    it "is chosen through one plan: the whole Bible, red chapters, a list or a theme" do
+      expect(build(:group).plan).to eq("bible")
+      expect(build(:group, focus: :red).plan).to eq("red")
+      expect(build(:group, reading_list: "parables").plan).to eq("parables")
+
+      group = create(:group, plan: "theme:forgiveness")
+      expect([ group.focus, group.reading_list ]).to eq([ "red", "theme:forgiveness" ])
+
+      group.update!(plan: "red")
+      expect([ group.focus, group.reading_list ]).to eq([ "red", nil ])
+
+      group.update!(plan: "bible")
+      expect([ group.focus, group.reading_list ]).to eq([ "bible", nil ])
+    end
+
+    it "rejects a plan that does not exist" do
+      expect(build(:group, plan: "miracles")).not_to be_valid
+    end
+
     it "treats a blank list as none" do
       expect(create(:group, reading_list: "").reading_list).to be_nil
     end
diff --git a/spec/requests/study_focus_spec.rb b/spec/requests/study_focus_spec.rb
index f37fd69..d21bd1f 100644
--- a/spec/requests/study_focus_spec.rb
+++ b/spec/requests/study_focus_spec.rb
@@ -92,7 +92,8 @@ def verse!(book, chapter_number, number, text, red: nil)
 
     it "is offered when starting a study and saved" do
       get "/studies/new"
-      expect(response.body).to include(I18n.t("groups.focus.red"))
+      options = Nokogiri::HTML(response.body).css("select[name='group[plan]'] option").map { |o| o[:value] }
+      expect(options.first(2)).to eq(%w[bible red])
 
       post "/studies", params: { group: { name: "Red letters", privacy: "invite_only", focus: "red" } }
       expect(Group.find_by!(name: "Red letters")).to be_focus_red
diff --git a/spec/requests/study_reading_lists_spec.rb b/spec/requests/study_reading_lists_spec.rb
index 048524e..163c145 100644
--- a/spec/requests/study_reading_lists_spec.rb
+++ b/spec/requests/study_reading_lists_spec.rb
@@ -30,11 +30,32 @@ def verse!(book, chapter_number, number, text, red: true)
   end
 
   describe "starting one" do
-    it "offers the lists and themes on the new-study form" do
+    it "offers everything a study can read in one control on the new-study form" do
       get "/studies/new"
 
-      options = Nokogiri::HTML(response.body).css("select[name='group[reading_list]'] option").map { |o| o[:value] }
-      expect(options).to include("", "parables", "encounters", "sayings", "theme:forgiveness")
+      page = Nokogiri::HTML(response.body)
+      options = page.css("select[name='group[plan]'] option").map { |o| o[:value] }
+      expect(options).to include("bible", "red", "parables", "encounters", "sayings", "theme:forgiveness")
+      expect(page.at_css("select[name='group[reading_list]']")).to be_nil
+      expect(page.at_css("input[name='group[focus]']")).to be_nil
+    end
+
+    it "starts a list study from that one control" do
+      post "/studies", params: { group: { name: "Sayings", privacy: "invite_only", plan: "sayings" } }
+
+      group = Group.find_by!(name: "Sayings")
+      expect([ group.focus, group.reading_list ]).to eq(%w[red sayings])
+    end
+
+    it "shows the study's current choice when editing, and can change it" do
+      group = create(:group, owner: owner, reading_list: "parables")
+
+      get "/studies/#{group.id}/edit"
+      selected = Nokogiri::HTML(response.body).at_css("select[name='group[plan]'] option[selected]")
+      expect(selected[:value]).to eq("parables")
+
+      patch "/studies/#{group.id}", params: { group: { plan: "red" } }
+      expect([ group.reload.focus, group.reading_list ]).to eq([ "red", nil ])
     end
 
     it "saves the list and makes it a red study" do
@@ -94,6 +115,7 @@ def verse!(book, chapter_number, number, text, red: true)
 
       expect(response).to have_http_status(:ok)
       page = Nokogiri::HTML(response.body)
+      expect(page.at_css("article header").text.scan(kjv.name).size).to eq(1)
       expect(page.at_css("h1").text).to include("The Sower")
       expect(page.css(".chapter-body .verse").map { |v| v["data-osis-ref"] })
         .to eq((3..9).map { |n| "Bible.KJV.Matt.13.#{n}" })
diff --git a/spec/system/study_focus_spec.rb b/spec/system/study_focus_spec.rb
index 8d83f78..7649bc0 100644
--- a/spec/system/study_focus_spec.rb
+++ b/spec/system/study_focus_spec.rb
@@ -41,7 +41,7 @@ def verse!(book, chapter_number, number, text, red: nil)
     visit "/studies/new"
     fill_in "Name", with: "Red letters"
     find("input[value='invite_only']").click
-    choose I18n.t("groups.focus.red")
+    select I18n.t("groups.plan.red"), from: I18n.t("groups.focus.label")
     find('input[type="submit"]').click
 
     expect(page).to have_content(/red letters/i)
diff --git a/spec/system/study_reading_lists_spec.rb b/spec/system/study_reading_lists_spec.rb
index d0a8764..27bb0d6 100644
--- a/spec/system/study_reading_lists_spec.rb
+++ b/spec/system/study_reading_lists_spec.rb
@@ -23,7 +23,7 @@ def verse!(book, chapter_number, number, text, red: true)
     visit "/studies/new"
     fill_in "Name", with: "Parables together"
     find("input[value='invite_only']").click
-    select I18n.t("red.parables.title"), from: I18n.t("groups.reading_list.label")
+    select I18n.t("red.parables.title"), from: I18n.t("groups.focus.label")
     find('input[type="submit"]').click
 
     expect(page).to have_content(/parables together/i)