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Uncle Ned, dressed in his incredible helium pants, has taken off! So the inventor Ada needs to find out something - and fast! How high can Uncle Ned fly? Will he fly into outer space? And most importantly - how to bring him down to earth? Together with her boy friends Iggy Peck and Rosie the Riveter, her brother Arthur and her new friends, Ada Twist is ready to do everything possible to save the day. This is a funny and informative story for all the why's in the world.

For children of primary school age.