- New Abacus: Year 1 P2: Number Workbook No. 3 (New Abacus) by Ruth Merttens, David Kirkby,  2001-03-31
 - Abacus Evolve Year 1: Workbook 1 by R Merttens, D. Kirkby,  2005-04-29
 - The magic calculator;: The way of abacus by Y Tani,  1964
 - Other People's Trades (Abacus Books) by Primo Levi,  1990-11-01
 - Island Apart: Travels in Evia (Abacus travel) by Sara Wheeler,  1993-06-24
 - The history of the abacus by J. M Pullan,  1968
 - Abacus Year 1/P2: Teacher Book (England & Wales) (New Abacus) by Ruth Merttens,  1999-04-20
 - The White Abacus by Damien Broderick,  1998-04-01
 - Abacus Evolve Year 4: Textbook 1 by D. Kirkby, R Merttens,  2005-09-30
 - Early Discoveries: Astrolabe, abacus, compass, camera. . .the science, the models and YOU! (Crafty Inventions) by Gerry Bailey,  2005-06-01
 - Abacus Evolve Year 3 
 - A Big Boy Did it and Ran Away (Abacus Books) by Christopher Brookmyre,  2003-07-03
 - Crusoe's Daughter (Abacus Books) by Jane Gardam,  1992-06-11
 - FROM ABACUS TO ZEUS A HANDBOOK OF ART HISTORY KEY TO NEW AND REVISED EDITION OF JANSON by James Smith Pierce,  1968
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