The First Book is America's 50 States and is published by Flying Frog Publishing in Lutherville, Maryland in 2015. As the Book says "Learn about all 50 states with maps, flags, and fun facts!". Somethings in this book you may know and others may surprise you. It's a quick read that you can review again and again. Good entertainment for children on the road while traveling to keep them occupies and help them learn in a fun way. All 50 states are listed in this book along with fun, interesting and quirky facts about them. A good addition to your young persons library. Measures closed 8 inches wide, 8 inches tall and 1/8 inch deep. The Second Book is USA Lift a Flap and is Distributed by the Clever Factory in Tennessee in 2007. This book is a board book, this is a thick cardboard type material, easy for little hands to grab and turn pages. Approved for children 2 years and older. It has bright colors and a Peak a boo feel when you lift the flap to learn about that specific state. The state that you are learning about is highlighted on a larger map. Measures closed 7 1/2 inches wide by 6 inches high by 1/4 inch deep. Good condition without markings, bend corners or scratches.