   {:media/id "book3"
    :media/type :media.type/book
    :media/title "book3_title"
+   :media/subtitle "book3_subtitle"
    :media/essential true
    :media/experience 2
    :media/author [[:author/id "author1"] [:author/id "author2"] [:author/id "author3"]]}
   {:media/id "book4"
    :media/type :media.type/book
    :media/title "book4_title"
+   :media/subtitle "book4_subtitle"
    :media/essential false
    :media/experience 3
    :media/author [[:author/id "author1"] [:author/id "author2"] [:author/id "author3"]]}
   {:media/id "book5"
    :media/type :media.type/book
    :media/title "book5_title"
+   :media/subtitle "book5_subtitle"
    :media/essential false
    :media/experience 0
    :media/author [[:author/id "author1"] [:author/id "author2"] [:author/id "author3"]]}
   {:media/id "book6"
    :media/type :media.type/book
    :media/title "book6_title"
+   :media/subtitle "book6_subtitle"
    :media/essential false
    :media/experience 0
    :media/author [[:author/id "author1"] [:author/id "author2"] [:author/id "author3"]]}
   {:media/id "book7"
    :media/type :media.type/book
    :media/title "book7_title"
+   :media/subtitle "book7_subtitle"
    :media/essential false
    :media/experience 0}
   {:media/id "book8"
    :media/type :media.type/book
    :media/title "book8_title"
+   :media/subtitle "book8_subtitle"
    :media/essential false
    :media/experience 3}
   {:media/id "book9"
    :media/type :media.type/book
    :media/title "book9_title"
+   :media/subtitle "book9_subtitle"
    :media/essential false
    :media/experience 2}
   {:media/id "book10"
    :media/type :media.type/book
    :media/title "book10_title"
+   :media/subtitle "book10_subtitle"
    :media/essential false
    :media/experience 1}
   {:media/id "book11"
    :media/type :media.type/book
    :media/title "book11_title"
+   :media/subtitle "book11_subtitle"
    :media/essential false
    :media/experience 1}
   {:media/id "book12"
    :media/type :media.type/book
    :media/title "книга12_название"
+   :media/subtitle "книга12_под_название"
    :media/locale :ru
    :media/essential false
    :media/experience 0}
   {:media/id "book13"
    :media/type :media.type/book
    :media/title "книга13_название"
+   :media/subtitle "книга13_под_название"
    :media/locale :ru
    :media/essential false
    :media/experience 0}
   {:media/id "book14"
    :media/type :media.type/book
    :media/title "libro_14_nombre"
+   :media/subtitle "libro_14_nombre_subtitile"
    :media/locale :es
    :media/essential false
    :media/experience 0}
   {:media/id "book15"
    :media/type :media.type/book
    :media/title "libro_15_nombre"
+   :media/subtitle "libro_15_nombre_subtitle"
    :media/locale :es
    :media/essential false
    :media/experience 0}]

 [{:media/id "book1"
   :media/type :media.type/book
   :media/title "book1_title"
   :media/isbn "ISBN 978-5-9775-0294-8"
   :media/essential true
   :media/experience 0

  {:media/id "book2"
   :media/type :media.type/book
   :media/title "book2_title"
   :media/subtitle "book2_subtitle"
   :media/isbn "ISBN 978-5-98227-708-4"
   :media/essential true
   :media/experience 1
