diff --git a/.gitignore b/.gitignore
index 2f761fe..c9f05b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,6 @@ coverage
 config/settings.local.yml
 config/settings/*.local.yml
 config/environments/*.local.yml
+
+# IDE files
+/.idea/*
diff --git a/Gemfile b/Gemfile
index fc76bca..334ef91 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,6 +14,9 @@ gem 'activerecord-import'
 gem 'sprockets-rails'
 gem 'slim-rails'
 
+# Serializers
+gem 'jbuilder'
+
 # Распаковка архивов
 gem 'rubyzip', require: 'zip'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 63e5241..164ad56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,6 +193,9 @@ GEM
     irb (1.14.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
+    jbuilder (2.13.0)
+      actionview (>= 5.0.0)
+      activesupport (>= 5.0.0)
     jquery-rails (4.6.0)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
@@ -460,6 +463,7 @@ DEPENDENCIES
   factory_bot_rails
   fasterer
   ffaker
+  jbuilder
   parallel
   pg
   pry-byebug
diff --git a/app/controllers/books_controller.rb b/app/controllers/books_controller.rb
new file mode 100644
index 0000000..6c1ffcf
--- /dev/null
+++ b/app/controllers/books_controller.rb
@@ -0,0 +1,9 @@
+class BooksController < ApplicationController
+  def index
+    page = params[:page].to_i.positive? ? params[:page].to_i : 1
+
+    @books = Book.all.page(page)
+
+    render formats: :json
+  end
+end
diff --git a/app/views/books/index.json.jbuilder b/app/views/books/index.json.jbuilder
new file mode 100644
index 0000000..223ad63
--- /dev/null
+++ b/app/views/books/index.json.jbuilder
@@ -0,0 +1 @@
+json.array! @books, :id, :title
diff --git a/config/database.yml b/config/database.yml
index 48f30ee..ec725ed 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -7,8 +7,8 @@ default: &default
 postgre: &postgre
   host: <%= ENV.fetch('POSTGRES_HOST', 'localhost') %>
   port: <%= ENV.fetch('POSTGRES_PORT', '5432') %>
-  username: <%= ENV.fetch('POSTGRES_USER') { 'igorsimdyanov' } %>
-  password: <%= ENV.fetch('POSTGRES_PASSWORD') { '' } %>
+  username: <%= ENV.fetch('POSTGRES_USER') { 'postgres' } %>
+  password: <%= ENV.fetch('postgres') { '' } %>
 
 development:
   <<: *default
@@ -17,6 +17,7 @@ development:
 
 test:
   <<: *default
+  <<: *postgre
   database: library_test
 
 production:
diff --git a/config/initializers/kaminari_config.rb b/config/initializers/kaminari_config.rb
new file mode 100644
index 0000000..0c0e1ac
--- /dev/null
+++ b/config/initializers/kaminari_config.rb
@@ -0,0 +1,3 @@
+Kaminari.configure do |config|
+  config.default_per_page = Settings.app.items_per_page
+end
diff --git a/config/routes.rb b/config/routes.rb
index ae608d2..e7e9b52 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -3,6 +3,8 @@
 
   devise_for :admin_users
   root to: redirect('/admin/') # if Routing::Admin.present?
+
+  get "books/(:page)" => 'books#index'
   # namespace :admin do
   #   # root to: 'home#index', as: :root