Mudpuppy's Board Book Set is comprised of colorfully illustrated portraits of real people who have made a historical impact on the world. Illustrations by Lydia Ortiz and words by Emily Kleinman introduce children to these important people in history with images that are fun for youngsters and also realistic. The Board Book Set includes 4 mini board books (Pioneers, Artists, Leaders, and Activists.) Each Book Size: 4 x 4 x 1", 10 x 10 x 2.5 cm 8 Chunky Pages per Book Slipcase: 4", 10cm cube Greyboard contains 90% recycled paper. Printed with nontoxic inks. Includes Artists: Maya Angelou, Josephine Baker, Frida Kahlo and Ella Fitzgerald Includes Leaders: Cleopatra, Queen Elizabeth I, Indira Gandhi and Hillary Clinton Includes Activists: Harriet Tubman, Rosa Parks, Gloria Steinem and Malala Yousafzai Includes Pioneers: Marie Curie, Sally Ride, Amelia Earhart and Billie Jean King Ages 0-5 Winner of Oppenheim Awards Gold Seal All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations