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A01=Lindsay Galvin
A12=Kristina Kister
accessible
action
ada lovelace
adhd friendly
adventure
Author_Kristina Kister
Author_Lindsay Galvin
books for ages 9 plus
Category=YF
Category=YFC
Category=YFG
Category=YFHH
Category=YFMF
Category=YFN
Category=YFT
chapter book
discoveries
dyslexia friendly
easy read
eq_bestseller
eq_childrens
eq_isMigrated=1
eq_isMigrated=2
eq_new_release
eq_nobargain
eq_teenage-young-adult
family
fantasy
friendship
hi lo
historical fiction
illustrated
inventions
ks2
ks3
large print
magic
mathematics
middle grade
mystery
reluctant readers
sci fi
science
short read
struggling reader
super readable
time travel
tinted paper
women in STEM
women's rights

Product details

  • ISBN 9780008727451
  • Weight: 190g
  • Dimensions: 129 x 198mm
  • Publication Date: 21 May 2026
  • Publisher: HarperCollins Publishers
  • Publication City/Country: GB
  • Product Form: Paperback
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Catapulted back in time by a mysterious machine, Eric joins forces with a young Ada Lovelace to find a way home in this atmospheric fusion of science-fiction and Victorian history from acclaimed author Lindsay Galvin.

When Eric Finch discovers a mysterious machine hidden in his attic, he realises that his mother has been keeping a huge secret.

A brilliant mathematician, Eric’s mother has used designs from an old journal belonging to her ancestor Ada Lovelace to build the machine, but Eric has no idea how it works or what it does.

Unable to resist tinkering with the machine, Eric finds himself thrust into an unforgettable adventure. But his actions have also threatened the very fabric of time, with possibly terrifying consequences …

Particularly suitable for readers aged 9+ with a reading age of 8.

Lindsay Galvin is an author writing for middle grade, teen and adults. She’s a qualified teacher with 20 years experience, and loves to visit schools. Lindsay is also a @writementor tutor, mentor and staff writer, and provides manuscript services. She currently lives on the south coast with three boys, two cats and one puppy.

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