100644 blob 26598e38ee2389ea2bedc1e05a6d25f7d5c2279d	BookImpl.java
100644 blob ff04ab66fb9371ecc5a44bbc370aa3335bf7070e	LibraryFactoryImpl.java
100644 blob 6c270c6407c68729c788bb197ea60063af2c6607	LibraryImpl.java
100644 blob edbc6499a5c628596903a24ab8b8938aead6bce0	LibraryPackageImpl.java
100644 blob 1e37f4bb70c71783c8152b721c4457baf08bc9e4	WriterImpl.java