When The Essential 55 was published, Ron Clark became a tireless promoter, traveling the country to speak to large groups of teachers and fans. And when his Oprah appearance shot the book onto the New York Times bestseller list, he kept the heat on. We can expect the same tenacious commitment to promoting his follow-up book, The Excellent 11 . The Excellent 11 contains eleven sections, with each one focusing on a theme directly related to teaching...