diff --git a/resources/img/books.png b/resources/img/books.png deleted file mode 100644 index 9699ced80..000000000 Binary files a/resources/img/books.png and /dev/null differ diff --git a/resources/img/books/BeginningScala.gif b/resources/img/books/BeginningScala.gif deleted file mode 100644 index 49568d322..000000000 Binary files a/resources/img/books/BeginningScala.gif and /dev/null differ diff --git a/resources/img/books/FPiS_93x116.png b/resources/img/books/FPiS_93x116.png deleted file mode 100644 index c942bd6ba..000000000 Binary files a/resources/img/books/FPiS_93x116.png and /dev/null differ diff --git a/resources/img/books/HandsOnScala.jpg b/resources/img/books/HandsOnScala.jpg deleted file mode 100644 index f279aa599..000000000 Binary files a/resources/img/books/HandsOnScala.jpg and /dev/null differ diff --git a/resources/img/books/Pol_89x116.png b/resources/img/books/Pol_89x116.png deleted file mode 100644 index 050114511..000000000 Binary files a/resources/img/books/Pol_89x116.png and /dev/null differ diff --git a/resources/img/books/ProgScalaJP.gif b/resources/img/books/ProgScalaJP.gif deleted file mode 100644 index dfb89230c..000000000 Binary files a/resources/img/books/ProgScalaJP.gif and /dev/null differ diff --git a/resources/img/books/ProgrammingInScala.gif b/resources/img/books/ProgrammingInScala.gif deleted file mode 100644 index 06452435d..000000000 Binary files a/resources/img/books/ProgrammingInScala.gif and /dev/null differ diff --git a/resources/img/books/ProgrammingScala-final-border.gif b/resources/img/books/ProgrammingScala-final-border.gif deleted file mode 100644 index 69f7cb8ca..000000000 Binary files a/resources/img/books/ProgrammingScala-final-border.gif and /dev/null differ diff --git a/resources/img/books/ProgrammingScala.gif b/resources/img/books/ProgrammingScala.gif deleted file mode 100644 index 2e0245471..000000000 Binary files a/resources/img/books/ProgrammingScala.gif and /dev/null differ diff --git a/resources/img/books/ProgrammingScala.jpg b/resources/img/books/ProgrammingScala.jpg deleted file mode 100644 index 07db7ec46..000000000 Binary files a/resources/img/books/ProgrammingScala.jpg and /dev/null differ diff --git a/resources/img/books/Scala_in_Action.jpg b/resources/img/books/Scala_in_Action.jpg deleted file mode 100644 index 29784825c..000000000 Binary files a/resources/img/books/Scala_in_Action.jpg and /dev/null differ diff --git a/resources/img/books/Umsteiger.png b/resources/img/books/Umsteiger.png deleted file mode 100644 index 5dcbd1e3f..000000000 Binary files a/resources/img/books/Umsteiger.png and /dev/null differ diff --git a/resources/img/books/buildingRecommendationEngine.jpg b/resources/img/books/buildingRecommendationEngine.jpg deleted file mode 100644 index ff42b5296..000000000 Binary files a/resources/img/books/buildingRecommendationEngine.jpg and /dev/null differ diff --git a/resources/img/books/heiko_117x82.jpg b/resources/img/books/heiko_117x82.jpg deleted file mode 100644 index 8c293271a..000000000 Binary files a/resources/img/books/heiko_117x82.jpg and /dev/null differ diff --git a/resources/img/books/icon_Scala_in_Action_93x116.png b/resources/img/books/icon_Scala_in_Action_93x116.png deleted file mode 100644 index a2f09a398..000000000 Binary files a/resources/img/books/icon_Scala_in_Action_93x116.png and /dev/null differ diff --git a/resources/img/books/icon_Scala_in_Depth_93x116.png b/resources/img/books/icon_Scala_in_Depth_93x116.png deleted file mode 100644 index 1c273549a..000000000 Binary files a/resources/img/books/icon_Scala_in_Depth_93x116.png and /dev/null differ diff --git a/resources/img/books/icon_funkt_Grundkurs_91x115.png b/resources/img/books/icon_funkt_Grundkurs_91x115.png deleted file mode 100644 index e80ec4819..000000000 Binary files a/resources/img/books/icon_funkt_Grundkurs_91x115.png and /dev/null differ diff --git a/resources/img/books/icon_hanser_90x113.png b/resources/img/books/icon_hanser_90x113.png deleted file mode 100644 index 755a6d178..000000000 Binary files a/resources/img/books/icon_hanser_90x113.png and /dev/null differ diff --git a/resources/img/books/learningConcurrentProgrammingCover120x149.jpg b/resources/img/books/learningConcurrentProgrammingCover120x149.jpg deleted file mode 100644 index 8e3f9d8d4..000000000 Binary files a/resources/img/books/learningConcurrentProgrammingCover120x149.jpg and /dev/null differ diff --git a/resources/img/books/puzzlersCover117x89.gif b/resources/img/books/puzzlersCover117x89.gif deleted file mode 100644 index 03424ebce..000000000 Binary files a/resources/img/books/puzzlersCover117x89.gif and /dev/null differ diff --git a/resources/img/books/scala-puzzlers-book.jpg b/resources/img/books/scala-puzzlers-book.jpg deleted file mode 100644 index 2fce14e44..000000000 Binary files a/resources/img/books/scala-puzzlers-book.jpg and /dev/null differ diff --git a/resources/img/books/scalaForDataScience.jpg b/resources/img/books/scalaForDataScience.jpg deleted file mode 100644 index e4b34c543..000000000 Binary files a/resources/img/books/scalaForDataScience.jpg and /dev/null differ diff --git a/resources/img/books/scala_for_the_impatient.png b/resources/img/books/scala_for_the_impatient.png deleted file mode 100644 index 012367038..000000000 Binary files a/resources/img/books/scala_for_the_impatient.png and /dev/null differ diff --git a/resources/img/books/steps-v2.gif b/resources/img/books/steps-v2.gif deleted file mode 100644 index b534c3d61..000000000 Binary files a/resources/img/books/steps-v2.gif and /dev/null differ diff --git a/resources/img/books/swedish_86x115.png b/resources/img/books/swedish_86x115.png deleted file mode 100644 index ce4f66328..000000000 Binary files a/resources/img/books/swedish_86x115.png and /dev/null differ diff --git a/resources/img/books@2x.png b/resources/img/books@2x.png deleted file mode 100644 index 63de947a0..000000000 Binary files a/resources/img/books@2x.png and /dev/null differ