Dorling Kindersley, better known as DK, is a British publishing company that specializes in illustrated reference books for adults and children on topics such as art, history, cooking, the human body, and animals. DK, which is part of Penguin Group, publishes books in more than 5... Read More0 languages for children around the world. DK's Touch and Feel playtime books are popular picks for preschoolers. Their captivating colors, patterns, and textures -- in titles such as Fire Engine, Shapes, Numbers and Counting, Park, Pets, Wild Animals, Wild Animals, and 1, 2, 3 -- are designed to help children learn through hands-on exploration. Some DK books have flaps that lift, such as Peekaboo! Dress Up and Peekaboo! Farm. Other titles in the Peekaboo! series -- such as Pop-Up Peekaboo! Meow and Pop-Up Peekaboo! Woof! Woof! -- tempt kids with sturdy 3-D surprises. DK Preschool also makes phonics books, board books, and language books to help toddlers learn Spanish.