Reducere. Simple and accessible, Science in Seconds is a visually led introduction to 200 key scientific ideas. Each concept is readily absorbed through an e...
quercus, carti, carte straina, mathematics & science, science: general issues
Reducere. DescriptionChess is 99% tactics. This celebrated observation is not only true for beginners, but also for club players (Elo 1500 - 2000). If you wa...