Practical mathematics: Signed numbers, formulas, graphs, and the metric system (Series in mathematics modules)
METRIC (4) HAINES SHAW WINSTEAD & SCOTT-KEY AUTHENTIC SIGNED GUITAR PSA #S38048
Understanding the Language of the Metric System [ First Edition, Inscribed & signed by H. Streb ] (A Guide to the use of Metric Units)
Metric (4) Haines Shaw Winstead & Scott-key Authentic Signed Guitar Psa #s38048 - Signed Guitars