To gain the book effects, just make a post about reading said book. The same book will not stack on itself, meaning you can only get the effect of the same book once.

Grand Encyclopedia: Volume I: Wuju Style
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of moving and attacking faster than that would allow normally. Gives +1 in total movement.
Cost: 140 Jenny

Grand Encyclopedia: Volume II: Acting
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of acting and become more convincing in their damage. Increases the Level of Acting skill by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume III: Seducer
Level: “Four”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of attracting someone towards you. Increases the Level of Bootlicker skill by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume IV: Innocent
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of looking and acting harmless. Increases the Level of Look harmless skill by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume V: Full potential
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of unlocking one full potential. Allow them to go beyond and learn more than what they know. Increases the Level of Additional Skill slots by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume VI: Pro Swimmer
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of swimming. It explains in full detail of different strokes one could use. Increases the level of Swimming skill by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume VII: Long breath
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of swimming. It explains in full detail of different strokes one could use. Increases the level of Swimming skill by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume VIII: Silent as a Ninja
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of walking in silence. It explains in extension detail of different ways to be a silent ninja. Increases the level of Stealth by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume IX: The great detective
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various methods of great detectives. It explains their method of solving crimes from the past and present. Increases the level of Perception skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume X: Master of the coin
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various method of pickpocking people. Increases the level of Pickpocket skill by 1.
Cost: 140 Jenny

Grand Encyclopedia: Volume XI: Understanding
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various method of understanding other people feelings. Increases the level of Empathy skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume XII: Hear no evil
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various ways to walk without being heard. Increases the level of Silent steps skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume XIII: Gymnastics
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various ways to move your body and give the history of the past great gymnastics. Increases the level of Acrobatics skill by 1 level.
Cost: 15,000 Jenny

Grand Encyclopedia: Volume XIV: Way of the Blade
Level: “Five”
Item Type: Book, Textbook
Description: This book explains in detail the various ways to use and master the way to use a weapon. Increases the level of Master Weapon skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume XV: Kung Fu
Level: “Three”
Item Type: Main, Book, Textbook
Description: This book explains in detail the various ways to use and master the way to use one's hands to fight. Increases the level of Master Barehand skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume XVI: Master Target
Level: “Five”
Item Type: Book, Textbook
Description: This book explains in detail the various ways to throw objects. Increases the level of Master thrower skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume XVII: Master of the Bow
Level: “Three”
Item Type: Book, Textbook
Description: This book explains in detail the various ways to get better at archery. Increases the level of Archery skill by 1 level.
Cost: 140 Jenny

Grand Encyclopedia: Volume XVIII: Master of Precision
Level: “Three”
Item Type: Book, Textbook
Description:This book explains in detail the various ways to be more precise. Increases the level of accuracy skill by 1 level.
Cost: 140 Jenny