Presidents of the United States

1.2 Updated with the Wikipedia links on Feb 2016

All the U.S presidents from George Washington to Barack Obama are here. This book is interactive and easy to read and suitable for kids to recognize and memorize the names of presidents like Abraham Lincoln and John F. Kennedy. 
This is an excellent self learning material for young readers who use iPad. (See the screenshots, the book works like answering a series of questions) Download the sample book and explore!