It is a disastrous day for Col. Raeburn when Tyro, the leader of the planet Neptune, persuades Raeburn’s secretary, Marla, to go to Neptune with him. The Colonel does not believe she has gone of her own free will and gives Dart the task of bringing her back.

When Dart and his crew make an emergency landing on Titan to repair their galasphere, they make a curious and far-reaching discovery.

Husky, visiting Mars with Larry Dart, becomes invisible through an accident. This proves of great value, but Husky does not want to be invisible for ever, and there seems to be no prospect of him returning to his normal state.

One of the lakes on Jupiter is found to contain water with extraordinary properties. This is of great interest to the scientists, but from being a matter of interest the water soon turns to being a matter of deadly peril to the planet.

While Dart and his crew are orbiting around Uranus, Husky sees a light on the planet which they learn is coming from the headquarters of the Duos, strange beings who inhabit the very heart of Uranus. The Duos, however, are in search of a less unpleasant atmosphere and decide to conquer Earth.

Colonel Raeburn and Haggarty are on a hunting expedition when Raeburn shoots down an object shaped like a bell. Although not a human being, the bell has a voice and proves to be very intelligent, especially when Dart is buried in a cave without food and water.

Col. Raeburn receives a message from Mars and learns that, as a result of terrible dust storms, the drought on the planet is getting worse.

No one believes Professor Zeffer when he tells them that he has picked up a message from Alpha Centauri, the nearest Star to our solar system. But when a strange being lands on Earth, it seems that the Professor’s story is not so fantastic.

Colonel Raeburn is faced with a dangerous situation when a would-be dictator sets himself up on the satellite Ganymede and begins to interfere with the sun.

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.

While Larry Dart and his crew are visiting the asteroid Pallas, Husky cuts his finger on a meteorite fragment.

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.