Book excerpt: Do dogs believe pictures of dogs are real? Why do dogs turn in a circle before they lie down? Can you trust someone your dog hates? Dog owners have questions; here are the answers to more than 200 of them, provided by two of the most knowledgeable writers in the field. Fun to read, eye-opening, and filled with important facts that every fan of Fido should know, it encompasses topics ranging from doggie intelligence (Can dogs learn to read?) to canine behavior, body, and senses (Can a dog sniff out cancer?). Find out if blind dogs are sad, whether dogs should be allowed to roam, why they lick you, and why they wag their tails. You’ll gain a better, deeper understanding of your best friend.