A Guide to Good Calculation HOW TO MASTER SOROBAN JAPANESE ABACUS

Covers exhibit heavy soiling and discoloration on edges and hinges. Light wear on upper corner of the front cover. Small chip on the front edge of the front cover. Heavy chipping and soiling on spine. Light yellowing to page ends and text due to age. Text is otherwise clean and unmarked. Includes the large folded answer sheet for the problems in the book. Inside back hinge is weak, but still firmly attached. Signed by both authors on half title page. Details how to use and become proficient in Soroban. Lessons in addition, subtraction, division and multiplication. All books are individually examined and described. Never ex-library unless explicitly described as such.