Book 1
Dinosaurs
Roam the prehistoric world
Four books. Four incredible worlds.
A Child’s Guide To…
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Choose your next adventure
Use the arrows to uncover a world.
Pick a path
Four worlds are waiting
Read the original books or wander through every habitat one discovery at a time.
Book 2
The Ocean
Dive beneath the waves
Book 3
The Rainforest
Step into the wild
Book 4
The Savannah
Explore the great plains
Why digital?
Big adventures.
A lighter footprint.
These books live online so curious children everywhere can explore the natural world without using more paper. Learning travels farther, updates stay easy, and every new reader can join the adventure.
4worlds to explore
100%free to discover
About the project
Books built for curious minds.
A Child’s Guide To… is a growing digital library for children who want to understand the wild world around them. Each illustrated book mixes real facts with jokes, puzzles, comics, hidden clues, and activities - turning science into an adventure children can lead for themselves.
The website keeps the original page-turning experience while opening the door to interactive discoveries beyond the books. It is designed to travel anywhere, reach readers globally, and use less paper along the way.
Meet the four books ↑
Meet Amelia & MaxYour guides to every world
Meet the author
Hi, I’m Zreh.
Zreh Adajania is a young author, environmental advocate, wildlife photographer, and lifelong animal enthusiast from Mumbai. Fascinated by dinosaurs from an early age, he created A Child’s Guide To… to help young explorers discover the natural world through colourful illustrations, surprising facts, humour, and hands-on activities.
Whether diving beneath the waves, photographing wildlife, or studying prehistoric life, Zreh believes that learning should always feel like an adventure.
Reviews & testimonials
What are explorers saying?
Readers and environmental advocates share what they enjoyed about exploring the four worlds.
Share your review ↗“Having four different books covering the savannah, rainforest, oceans, and dinosaurs makes it really fun to go through, especially since each one has a completely different set of animals to discover. Really solid work and definitely worth checking out.”
Ansh JalanSTEM Student
“As someone who has always been a huge environmental advocate, seeing an interface where children can become more educated on the different domains of the environment and the wonderful array of creatures that inhabit them warms my heart.”
Rian KothariEnvironmentalist
“A great outlook into animals!”
Krish ChandraEV Manufacturer
“A beautiful representation of the underwater realm.”
Sumer VermaScuba Diving Instructor
“Love the world map feature!”
Nyrika MehtaStudent
“This is some great work. Love the enthusiasm.”
Aarush GuptaEVS Student