Book excerpt: Math coaches and specialists assigned the task of improving mathematics instruction face an enomous and complex challenge. Most coaches take on the reponsibility with a title and a charge, but seldom with a road map The Math Coach Field Guide : Charting Your Course provides just the kind of guidance needed to help coaches in this demanding and often undefined role as they strive to support teachers in their teaching of math. In this collection of 11 essays, veteran math coaches share their expertise , providing glimpses into the unique trials, false starts, and successes thay have experienced on their position.