🦕 The Amazing World of Mark & John

Mark & John —
Dinosaur Adventure

Dad was just testing the machine. Mark and John were just standing too close. Now they're stuck in a world of giant dinosaurs, active volcanoes and zero Wi-Fi — and the only way home is forward.

from $5.99/book

Mark & John cover
The collection

Books in the series

One new chapter every month. Start at the beginning.

Book 1 Dad’s Little Experiment

Dad’s Little Experiment

Two boys, one button, and sixty-five million years in the wrong direction.

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Book 2
Coming Soon

The Valley of Tall Teeth

Everything here is bigger, hungrier, and faster than they are.

Book 3
Coming Soon

When the Volcano Sneezed

The ground is shaking and the only shelter is uphill.

Book 4
Coming Soon

Riding the Thunder Lizard

To cross the canyon, they will need a very large friend.

Book 5
Coming Soon

The Only Way Is Forward

Home is one impossible leap away — so they jump.

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2 books a month
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4 books a month
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