Take your kids' vocabulary to the next level! Finally, the perfect ABC book for your children where letters stand for patterns, numbers, geometrical shapes, countries, planets and more! This is not your tot's regular ABC Book, teach them common, rare and advanced words to enhance their vocabulary from early age! This ABC Book is a companion to the Travel Foot Rest Pillow for Kids by Saridjo. The book and pillow will entertain and make your little ones busy during your long flights or road trips. The inflatable and foldable pillow will turn your kid's airplane seat into a bed as it fills the legroom gap between seats on the plane, car or train. This multi-function pillow can also be used for adults as an ottoman or head rest.