Excellent in its field, this book by a Department of Agriculture man, vitally interested in his subject, and gifted with the ability to present it with contagious zest, clearly, interestingly, intelligently. The new soil science is made fascinating for the layman as well as for student, farmer, agriculturist. First the history of slow growing knowledge, leading up to present developments. Then the soil groups and the security science now offers to those to whom it is important that soil responds to treatment; problems of balance, of intelligent use, of fertilizers, water control, scientific replacement of lost values. Finally, the successful farming of the future.