How To Save Your Granny From a Runaway Train

Author: Haddow, Swapna

Interest age: from c 8 years

Published on 31 July 2025 by HarperCollins Publishers (Red Shed) in the United Kingdom as part of 'the Solved by Science' series.

Paperback | 64 pages
217 x 284 x 7 | 328g

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Bonkers dilemmas that can be solved with science and a bunch of brilliant physics experiments.

**No grannies were harmed in the making of this book!**

Trick a shark!

Lift a jumbo jet!

Escape a deserted island!

Stop a runaway train!

Explore a bunch of ridiculous (and not-so-ridiculous) dilemmas – with solutions from the astonishing world of physics.

Sounds unbelievable? Test the science for yourself, with easy-to-follow experiments throughout!

What are you waiting for? Let’s save Granny!

Written by bestselling and award-winning author Swapna Haddow, with brilliantly funny colour illustrations from award-winning illustrator Jess Bradley.