Debug the desert. Restore the wild. Learn to code.

A Prickly
Problem

Ren's Desert Bughunt

The sun is flickering. The river is flowing backward. Something has gone very wrong in Ranger Ren's desert park!

Join Ren on an adventure to debug the desert and restore order to the wild. This STEM picture book brings nature and computer science together to help kids think like programmers.

STEM picture book Early readers Future coders
Cover of A Prickly Problem: Ren's Desert Bughunt by Kitzil Books, featuring Ranger Ren flying over a desert with a woodrat, moth, cacti, and insects.

One missing moth. A whole desert in trouble.

Meet Ranger Ren
A wild adventure

There's a bug in the system.

Park Ranger Ren has the best job ever: protecting wildlife and keeping order in the desert park. But today, the park is broken. Glitch the Desert Woodrat, a mischievous thief with a love of shiny things, has snatched the Yucca Moth—and the whole world is glitching out.

Help Ren catch the thief, find the moth, and save the day. Along the way, young readers discover how logic, patterns, and a little problem-solving can put things right.

Big ideas. One step at a time.

Think like a programmer
01 / Algorithms

A recipe for adventure.

Follow a sequence of steps to help Ren cross the canyon. Every great plan starts with knowing what comes next.

02 / Loops

Hop. Repeat. Keep going.

Cross the rushing river by repeating actions over and over. Discover how a simple loop can carry you a long way.

03 / Debugging

Find the bug. Fix the mess.

Work out what's gone wrong in the system and help repair the trouble Glitch has caused.

04 / Patterns & sorting

Make sense of the chaos.

Use logic to crack codes and organize giant piles of trash. Spotting patterns helps turn a jumble into order.

05 / Booleans & conditionals

If this happens… then what?

Make smart decisions to stay safe. IF the snake wakes up, THEN fly away! Explore how conditions guide the next move.

06 / Decomposition

Small steps solve big problems.

Break a big, scary challenge into smaller, easier pieces. Tackle one part at a time and keep moving forward.

Make room for your next read.

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The book

A Prickly Problem:
Ren's Desert Bughunt

A story for kids who love nature and grown-ups who want to introduce critical thinking and logic. Ren's adventure connects a playful narrative with concepts like input/output and cause and effect.

Visit Amazon for available formats and purchasing options.

Read. Explore. Discover.

From classroom to bedtime.

For teachers introducing STEM ideas, parents exploring science with their kids, and families looking for a fun bedtime story.

Ranger Ren makes complex concepts approachable through an adventure in the natural world.

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