Astounding Science Fiction July 1941

Contents

• Methuselahs Children-part1 (Lazarus Long) - serial by Robert A Heinlein
• Spaceship in a Flask - novelette by Clifford D Simak
• The Seesaw (Weapon Shops of Isher) - short story by A E van Vogt
• The Probable Man - novelette by Alfred Bester
• The Geometrics of Johnny Day - short story by Nelson S Bond
• We Also Walk Dogs (Heinleins Future History) - novelette by Robert A Heinlein
• Brown - short story by Frank Belknap Long