The first book
Second part
Third Part
Forth book
Fifth book
Revert "The first book"

This reverts commit 8a7b5607c7fcc4c83e0628af93dfd833313a6ddd.
First book
Revert "Third Part"

This reverts commit 8daa47026e87c52a1e9cfc0ec8fcf559bbc80fe2.
Third book
Revert "Forth book"

This reverts commit 83aa844fe4b374737223890b76706ed14b42f76c.