Callaway Digital Arts, the developer who worked on the phenomenal Monster at the End of This Book apps, is back with a free app that uses letter puzzles to teach spelling and vocabulary.

PHILADELPHIA (CBS) - On today's APP-tastic and outta SITE - Endless Alphabet. When it comes to teaching their kids to read, parents are open to pretty much any trick in the book. Endless Alphabet ...

Of all the apps I’ve reviewed and purchased over last few years, Endless Alphabet—a free educational kids app for iPhone and iPad—is the one that my 4-year-old son has loved the most ...

PHILADELPHIA (CBS) - On today's APP-tastic and Outta SITE - the Endless Alphabet app. When it comes to teaching their kids to read, parents are open to pretty much any trick in the book.