Add this copy of Twenty Years Before the Blackboard. the Lessons and to cart. $31.72, new condition, Sold by Literary Cat Books rated 3.0 out of 5 stars, ships from Machynlleth, Powys, WALES, UNITED KINGDOM, published 1998 by The Mathematical Association of America.
Add this copy of Twenty Years Before the Blackboard (Spectrum) to cart. $83.17, new condition, Sold by GridFreed rated 5.0 out of 5 stars, ships from North Las Vegas, NV, UNITED STATES, published 1998 by American Mathematical Society.
