cant think of a book _______ simple mathematics

bpb101

anybody know the full name of this book

___________ simple mathematics

one thing in the book is how to multiply easyly by 11

i think the guy name is trandburg , somthing burg

any help

ps. black cover i think

fenris

The Trachtenberg system?

Devised by a Polish engineer in a concentration camp partly as a means of preserving his own sanity

http://www.amazon.com/Trachtenberg-Speed-System-Basic-Mathematics/dp/4871877094/ref=sr_1_1?s=books&ie=UTF8&qid=1316615566&sr=1-1

An earlier version had a black cover with yellow text, I must get another copy and get the kids started!

bpb101

fenris wrote: »

The Trachtenberg system?

Devised by a Polish engineer in a concentration camp partly as a means of preserving his own sanity

http://www.amazon.com/Trachtenberg-Speed-System-Basic-Mathematics/dp/4871877094/ref=sr_1_1?s=books&ie=UTF8&qid=1316615566&sr=1-1

An earlier version had a black cover with yellow text, I must get another copy and get the kids started!

ye this is the one thanks a lot