How many feathers does a bird have? Do birds sleep while in flight? Why do Blue-Footed Boobies have blue feet? How do migrating birds know where to go and how to get there? For these and hundreds of other questions, The Bird Watching Answer Book has expert answers. Written by Laura Erickson, science editor at the Cornell Lab of Ornithology, this book is the authoritative source for information on birds of all kinds.

Patterns of the Hypnotic Techniques of Milton H. Erickson, M.D, Vol. 1-2

If you ever wanted to learn NLP or hypnosis then this is the center of the vortex. Everything about modern persuasion goes back to the unassuming Milton Erickson. Everyone from Richard Bandler to Tony Robbins owes a great debt to him.
This and the second volume is the definitive guide to hypnosis. What out though it is not an ordinary book. It is for doctors as such. Meaning that if you haven't come across the topic of hypnosis then read up on it before getting this book. Very technical.