Feature

Fly Most Menacing Aerial Foe to Our Troops

Barylambda Placed on Display at Field Museum

First Glances at New Books

Front Matter

Distant Planet

[Photograph]: What Astronomers See in a Nova

Finnish Woman Discovers Another New Comet

May Be Supernova

Demon Star May Be Quadruplets, Not Triplets

Treatment Goes to War

Place of Residence Affects Tooth Decay

First Photo of Nova Obtained by Amateur