Feature

Books of the Week

Twinkling Stars Studied

Space Race Held Up

World Geology Covered by Array of Journals

Muscle Signals Detected

Stereo Broadcasts in FM Due by Next Christmas

Animal Grafts Succeed

Nature Ramblings: Spring Song

[Photograph]: Black Knight Engine

Roaches May Spread Food Poisoning Germs

New Machines and Gadgets

Front Matter