Online - Pay by credit card, check or your account.
By Phone - Call us at 800.628.7748 Mon. - Thurs. 7:30 - 4:00 pm, Fri. 7:30 - 3:00 pm
By Fax - Fax your order with ourpdf form.
World Book Encyclopedia. Scientific thinking is developed by seeing and making science work. Through imaginative activities and experiments, children learn how to observe, collate information, form theories, and arrive at conclusions. The originality and quality of the presentation of concepts make this an invaluable series. 48 pages, soft cover, full-color photos. Ages 10 and up.