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Cover of Time Travelling with a Tortoise
Chapter · ages 9–12

Time Travelling with a Tortoise

New for 2024, a thrilling adventure from the bestselling author

Written by Ross Welford

Part of Ross WelfordView the full series

Adults love it too

The long-awaited return to the world of Time Travelling with a Hamster: Al Chaudhury travels through time once more to rescue a friend stranded in another dimension and to save his beloved Grandpa Byron. A warm, twisty adventure with real emotional weight beneath the sci-fi.

  • Best for9–12
  • FormatChapter
  • Length272 pp
  • Read aloud~3 hr50 min
Where to buyPaperback
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The vibe

What it’s like.

Style

  • Conversational

Tone

  • Exciting
  • Suspenseful
  • Heartwarming
  • Bittersweet

Themes

On the pagetime travel, grandparent, time machine, grief

Experience meters

Energy4/ 5
Humour3/ 5
Scariness2/ 5
Peril3/ 5
Wonder4/ 5
Cosiness2/ 5
Emotional intensity4/ 5
Conceptual intensity4/ 5

What’s it about?

The story.

Al Chaudhury once travelled back in time to save his father's life – and it worked. His dad is alive again, and life is back to how it should be. But when an accident nearly kills his beloved Grandpa Byron and forces Al back in time once more, he leaves someone behind, trapped in another dimension forever. Now Al must journey through time yet again: not only to rescue his friend from the past, but to save Grandpa Byron's life and make sure there's still a future waiting for them all. This standalone-friendly sequel to the bestselling Time Travelling with a Hamster brings back Ross Welford's clever time-machine logic, his ticking-clock tension and his gift for characters you truly care about. Beneath the paradoxes and the pace runs a tender story about family, memory and the people we can't bear to lose – funny and thrilling, but with a genuine ache at its heart.

Fit check

Right for your child?

Where it lands by age

Best for 9–12s reading independently. The time-travel plot carries confident younger readers, while the thread of a grandparent's near-death and real grief gives it weight for older ones. A gentle read-aloud for families ready for those themes.

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  • Best fit · 9–12
  • Read aloud · 9–12
  • Independent · 9–12

Prose load

Moderate

Visual support

Low

Reluctant-reader friendly

Workable

Read-aloud quality

Workable

Moderate sensitivity2 content warnings

Preview before sharing if a child is sensitive to: grief, death of character.

Bedtime suitability

2 / 5 · Better outside bedtime

Sensitive-child

3 / 5 · Mostly fine

Graphic intensity

2 / 5 · Mild

Best for

  • Time travel
  • Emotional adventure
  • Family story

Avoid if

  • Sensitive to bereavement
  • Wants light read

Particularly good for children who are…

  • Bereavement
  • Interested in science

Why it lands

Why they love it.

Why kids love it

Al's homemade time machine, the rescue of a friend trapped in another dimension and the race to save Grandpa Byron make for a genuinely gripping adventure. The clever time-travel rules reward readers who love a good paradox.

  • Time travel
  • Surviving danger
  • Making a difference
  • Having a wise mentor

Why parents love it

The long-awaited follow-up to Time Travelling with a Hamster pairs Welford's twisty time-machine logic with a moving story about family, memory and loss. It handles grief with warmth and honesty, and reads beautifully aloud.

  • Conversation starter

In the series

Ross Welford.

9 books · open the series →

About the author

Ross Welford.

RW

Ross Welford

Writer · United Kingdom

Ross Welford is a British author born in Cullercoats on the north-east coast, a former magazine journalist and television producer who turned to fiction in his fifties. His debut, Time Travelling with a Hamster, was shortlisted for a raft of major children's prizes including the Costa and the Blue Peter Book Award, and established the formula he has repeated to great effect: a huge high-concept idea — invisibility, immortality, parallel worlds, shared dreams — wrapped around ordinary, funny kids and a genuine emotional ache. Across titles such as What Not to Do If You Turn Invisible, The 1,000-year-old Boy, The Dog Who Saved the World and When We Got Lost in Dreamland, Welford pairs brain-bending sci-fi with warm stories of grief, family and belonging. A dependable pick for readers aged 9–12 who want cleverness and heart in equal measure.

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Last reviewed · July 2026Suggest a correctionHow we recommend

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