"Super Why Alpha Pig's Alphabet Adventure & Readers to the Rescue Board Book Set" With engaging storytelling and colorful illustrations, this board book set combines learning to read with an exciting adventure. Written by Alpha and Angela C. Santomero. Perfect for children ages 2-3 and under. Making it a must-have for parents looking to help their little ones develop a love for reading. These small board books 5" x 5". Great to fit in diaper bag, stroller, or backpack.