BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
I Am a Droid is a children's book written by Marc Cerasini with interior design by Iain Morris. It features C-3PO giving descriptions of various types of droids. It is set sometime after Star Wars: Episode I The Phantom Menace. The book, part of the Random House Star Wars Storybook series, includes twelve stickers of droids and droid-operated vehicles
My name is C-3PO. I am a droid. There are many droids in the universe. Some fly ships, others fix Podracers, and still others fight dangerous battles. I would be honored to tell you more. Just open this book and I will begin!