LOMALLA 15.1 – 24.1. Viimeinen postituspäivä tiistaina 14.1, jonka jälkeen postitukset alkavat jälleen 25.1. Tilatut tuotteet pystyvät teille varattuna ko. aikajaksona.
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.
