HUOM
Lähdemme työmatkalla 9.6 ja tulemme takaisin 20.6. Tilatut tuotteet pysyvät teille varattuna 20.6. asti, jonka jälkeen pääsemme jälleen lähettämään laskuja.
The Colossal book of short puzzles and problems. (Pulmia, ongelmia, ajanviete. älypähkinät, palapelit, visailu)
Finally collected in one volume, Martin Gardner's immensely popular short puzzles; along with a few new ones from the master.For more than twenty-five years, Martin Gardner was Scientific American's renowned provocateur of popular math. His yearly gatherings of short and inventive problems were easily his most anticipated math columns. Kuvitettu. Dimensiot 24 ¤ 18 cm.
