Dart and his crew, seeking a lost party of scientists on Jupiter, come upon a band of criminals who are killing numbers of Lumis, the only wild animals on the planet.

An asteroid has been deflected from its orbit and is heading straight for the capital of Mars. Colonel Raeburn, Head of SPACE PATROL, gives Larry Dart an almost impossible assignment - to destroy the asteroid.

Larry Dart and his Galasphere crew have an exciting and and dangerous time when they are sent to bring home one of the mysterious plants of Uranus...

Three space ships have disappeared mysteriously and Dart is instructed to investigate the matter. He and his crew soon find themselves in the grip of strange forces.

When a planet becomes too cold to support life, something must be done quickly if the inhabitants are to survive. Space Patrol is given the task of solving such a problem.

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In the year 2100 the weather is strictly controlled, so there is dismay at Space Headquarters when the sun is blotted out by a cloud which should not be there. It can only have been put there with evil intent.

No one from Earth has penetrated the mysterious flashing rings of Saturn, yet this is what Dart and his crew set out to attempt.

Slim is sent to Venus to investigate a mysterious disease which is paralysing the population. He finds a serious and highly dangerous state of affairs on the planet.

When Colonel Raeburn finds that criminals on the moon are operating a Lazer [sic] gun against Earth he sends Dart to investigate. The Patrol Captain has a disturbing report to make on his return.

The Earth’s food supplies are in danger when an unknown fungus is found to be destroying all plant life. It is thought that leaves from a tree on Saturn will help to avert disaster and Dart is sent to collect them.

Colonel Raeburn is trying hard to locate a gang of forgers which is flooding Earth with counterfeit notes.