Children who love both animals and a rousing game of I Spy will have fun with this book. To give kids practice identifying similarities and differences, the book starts by pairing easy-to-distinguish animals, such as zebras and horses. Then it moves on to duos that are more difficult to tell apart, such as turtles and tortoises and seals and sea lions. Reading Animals Two by Two is like taking a walk through the zoo with an eagle-eyed friend one who...