Your cart

Free delivery on all orders over £50
Schools can pay by invoice by setting up an account at checkout.
How To Save Your Granny From a Runaway Train
How To Save Your Granny From a Runaway Train
How To Save Your Granny From a Runaway Train
How To Save Your Granny From a Runaway Train
How To Save Your Granny From a Runaway Train
  • Load image into Gallery viewer, How To Save Your Granny From a Runaway Train
  • Load image into Gallery viewer, How To Save Your Granny From a Runaway Train
  • Load image into Gallery viewer, How To Save Your Granny From a Runaway Train
  • Load image into Gallery viewer, How To Save Your Granny From a Runaway Train
  • Load image into Gallery viewer, How To Save Your Granny From a Runaway Train

How To Save Your Granny From a Runaway Train

Published: 31 Jul 2025

Paperback / softback, 64 pages

Recommended for age 7+ and 9+

By Swapna Haddow

Illustrated by Jess Bradley

Published by HarperCollins Publishers

Regular price
£8.14
Sale price
£8.14
Regular price
RRP £10.99
Unit price
per 
Not Yet Published

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.