I came across a great little book recently called Hey Mr. Green. Mr. Green is Bob Schildgen, who has a column in Sierra magazine (put out by the Sierra Club) where he answers reader questions about living green – everything from finding nontoxic deck sealer and recycling old computers to choosing the best type of logs to burn in your fireplace. This book is a collection of those questions and answers plus a selection of his top tips on living green. The questions go from the standard (why we should turn off lights) to the obscure, and you're sure to find the book both informative and entertaining. For a sneak peek, we've picked out a couple of excerpts to get you started: • 10 ways to save money on gas • 8 steps to a healthy, eco-friendly lawn