The following books are reduced in price.
The prices and reasons for the reduction are given below (postage is included).

Teacher's Guide for the Cosmic Calculator Course
Price $10. 10 copies available. Old edition (published by Motilal Banarsidass).
This contains hundreds of mental tests, review sheets, tests, extension sheets etc. (see more details here: http://www.vedicmaths.org/Bookstores/BookstoreWorld/02%20CosmicCalcCourse/CCCourse%20details.asp)