Tools and Machines. Charles Barnard. 158 pp. Price $1.25, Silver Burdett & Co., Boston, Mass.

As an introduction to the study of tools and machines and their uses, teachers of Sloyd and the first grades of Manual Training will find this a servica-ble desk book. The clear and attractive way the sub. ject matter is presented, makes it readily usuable for reading exercises, and for this purpose can be warmly commended. Detail directions for the use of tools are not given, its purpose not being to serve as a manual. 62 Illustrations.

The Teachers Hand Book of Sloyd. Otto SaL-oman. Translated by Mary R. Walker and William Nelson, Second Edition. 264 pp. Price $1.50 Silver Burdett & Co., Boston, Mass.

The teacher of Sloyd who does not have a copy of this book within easy access should get it at once. Its presentation of the educational ideas upon which this system of instruction is based, are so clear that the attentive reader cannot fail to gain a good perspective of the whole system, as well as a large amount of detail relating to the numerous exercises given. Over 130 illustrations supplement tha text.

Practical Lessons in Electricity. Four parts. Different authors, 254 pp. 70 cents. American School of Correspondence, Chicago, 111.

The purpose of this volume is to give the public an opportunity to judge of both the standard and scope of the correspondence instruction offered by this school, but contains much practical information making it of value to both the practical electrician and also the amateur. Readers of this magazine interested in electricity will find the book of value, and are cordially recommended to obtain it.