"Fun With Bongos," authored by Trevor Salloum. This book and CD set now includes Spanish and Portuguese translations.
You get a brief history and description; included are tuning and playing positions. Also provided are finger and hand techniques that follow the CD. A number of exercises will get you ready for the Flams, Drag, Rim Shots and Roll techniques that are also addressed.
This is a great book for anyone wanting to learn, or for just appreciating, the art of playing the bongos.