Forfatter • 11 bøker
The Revenge of Dr. von Naysayer
Ada Hopper
A Little Snow Must Fall
S.O.S. from Outer Space
Down the Brain Drain
Out of Remote Control
Invasion of the Insects
A Case of the Clones
Robots Rule the School
The Sky Is Falling
March of the Mini Beasts
Don't Disturb the Dinosaurs
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