This is a good book for young readers who are developing a serious interest in birds. The pictures are bright and colorful, the line spacing is good. I didn't particular care for the font, but I can't say that it is a negative thing either. Each bit is broken into sections according to the type of brain a bird has. It's probably best deliberately looked through with breaks between the sections. I found my attention wandering about halfway through, and it was hard to stay on task.
There is some very interesting information in Bird Brains: The Wild & Wacky World of Birds. I particularly liked the bird skeleton near the beginning. I didn't know birds had wrists! Though, to be honest, I never much think about bird wings beyond what spices I want on them when I'm hungry. But beyond that, the amount of songs some birds can memorize, the tricks that some of them can pull off to get food, it's all very neat. It is obvious that the author has a fascination with birds and did his best to craft a book that would showcase that appreciation.
Not a book that's high on my personal recommendations list, but for the right type of young reader, it may be the perfect gift.
Disclaimer: I received a copy of this book via Edelweiss for review consideration.