Learn all about the letter A, have fun with sounds, land sing a song. Learn all about the letter A, have fun with sounds, learn one new high-frequency word, and sing a song.

A, B, C, D, E, F, G—makes you want to hum the alphabet song. But there’s no real reason why people should learn these letters in this order. There are plenty of ...

A, B, C, D, E, F, G – makes you want to hum the alphabet song. But there’s no real reason why people should learn these letters in this order. There are plenty of ...

The Letter: A Message For Our Earth is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, ...