This is sent by the server to open a book, and by the client to change the title or author.
Offset Type Name Description
------ -------- ---------------- ------------------------------
0000 BYTE cmd
0001 UINT bookID
0005 BOOL iseditable
0006 BOOL isnew
0007 USHORT pages
0009 USHORT title_length
0011 CHAR[] title 0x00-terminated
USHORT author_length
CHAR[] author 0x00-terminated
Older Clients use the Book Header (0x93) Packet.