Mudpuppy's Little Scientist Board Book is comprised of colorfully illustrated portraits of real people who have made a historical impact on the world with regard to science, including Albert Einstein, Marie Curie, and George Washington Carver. Illustrations by Lydia Ortiz 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, 8 chunky pages per book, packaged in a slipcase box. -Slipcase box: 4 x 4 x 4"" -Greyboard contains 90% recycled paper. Printed with nontoxic inks.