The Tas series is a pair of children's science fiction novels written by Reginald Alec Martin, under the pseudonym of E. C. Eliott. The books were illustrated by A. Bruce Cornwell. They are set, at least at the beginning, at the Woomera Rocket Range in Australia.
Plot Tas and his friends have adventures with rockets and spaceships.
Books Tas and the Postal Rocket (1955) Tas and the Space Machine (1955)
References The Reginald Alec Martin Website