In the USA:

• Lizards of the World (Of the World Series)
• Handbook of Lizards : Lizards of the United States and of Canada (Comstock Classic Handbooks)
• Amazing Lizards (Eyewitness Juniors)
• Loco for Lizards
• A Field Guide to Reptiles & Amphibians of Eastern & Central North America (Peterson Field Guide Series)
• A Field Guide to Western Reptiles and Amphibians : Field Marks of All Species in Western North America, Includung Baja California (Petersons Field Guide Series)
• The National Audubon Society Field Guide to North American Reptile and Amphibians 

In the UK:

• Lizards of the British Isles
• The Lizard Man Speaks
• Lizard Ecology
• Lizards (Remarkable Reptiles)