In his long and distinguished career as a postman, Grandpa Benny has travelled the world and has been involved in many exciting adventures. In the story Grandpa Benny Flies to the Moon, Benny unwittingly joins the Apollo 11 team on their epic journey to the moon and plays a hero's role in the completion of this historic mission.

Grandpa Benny joins the famous naturalist Charles Darwin on a trip to explore the Galápagos Islands where they encounter strange and wonderful creatures, are attacked by vicious pirates, and are rescued by one of the extraordinary local inhabitants.

Join Grandpa Benny in an exciting and adventurous journey to the Arctic Circle, where he crosses the icy landscape on a sled, experiences the Inuit lifestyle, and survives a nasty encounter with a huge polar bear.

Grandpa Benny accidentally joins French novelist Jules Verne in a hot air balloon as they float over Africa, where they enjoy an extraordinary adventure and have an up-close experience with some of the wonderful animals that inhabit the great continent.

Grandpa Benny meets the gifted and inspiring Wright brothers as they attempt to fly the world's first engine-powered aircraft. Not all goes smoothly, and Benny's bravery helps solve a sticky encounter with some robbers.

Grandpa Benny goes to great lengths to help Sophie Germain attend the prestigious 'Ecole Polytechnique', a school that was closed to women in the days when girls were not readily accepted for studies. Sophie became a famous mathematician, and her courage and determination served as an example to other women looking to study maths and the sciences.

Grandpa Benny and Danil, a robotic vacuum cleaner, visit a car factory - and discover that a mean Robot named Giskard has taken over the factory.