"My Best Friend Is a Princess: A Princess Friendship Treasury" by RH Disney Staff is a children's board book published by Random House Children's Books in 2007. This delightful book features charming illustrations by the author and is part of the Toddler Board Books series. With a focus on themes of royalty, friendship, bedtime, and social themes, this book is perfect for young readers who love princesses and making new friends. The sturdy board book format makes it ideal for little hands to enjoy the stories and illustrations.