by The Editors of Popular Mechanics
Softcover
Were American air defenses ordered to “stand down” on 9/11? Did preset explosives bring down the Twin Towers? Was Flight 93 hit by an air-to-air missile? Experts show why these and many other 9/11 myths don’t hold water. SC. 240pp. 2011.
Mem. Ed. $5.99
Pub. Ed. $17.95
You pay $1.99
The Boy Mechanic Saves The World (One Project At A Time)
by The Editors of Popular Mechanics
Softcover
This book showcases practical projects for protecting nature, like trapping garden and house pests humanely, growing healthy gardens without chemicals, building a garden mulcher from old lawnmower blades and much more. SC. 216pp. 2010.
Mem. Ed. $4.99
Pub. Ed. $9.95
You pay $1.99
The card security code is an added safeguard for your credit/debit card purchases. Depending on the type of card you use, it is either a three- or four-digit number printed on the back or front of your credit/debit card, separate from your credit/debit card number. To make shopping at Scientific American Book Club® even more secure, we require that you enter this number each time you make a credit/debit card purchase. Please note that your security code will not be stored with us even if you have saved your credit/debit card information.