Nick and Tesla's secret agent gadget battle

Name: Nick and Tesla's secret agent gadget battle
Author: Bob Pflugfelder
ISBN: 9781594746765

Age Rating, Reading Level & Content Guide

A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself

by Bob Pflugfelder

Illustrated by Scott Garrett

Reading Level 3-4 LP · Mild · Physical Ages 5-8 Matched

The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is mild with minimal sensitive material. Its HootRating code, LP, means mild content, mostly physical.

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About This Book

Who could be sneaking around Uncle Newt's house, searching for secrets? Nick and Tesla are on the case, building awesome spy gadgets like fingerprint powder and secret cameras to catch the mysterious intruder. But can they stop the spy before it's too late?

Themes

ScienceJuvenile fictionExperimentsBrothers and sistersAdventure

Quick Assessment

Nick and Tesla's Secret Agent Gadget Battle is an engaging early chapter book for ages 5-8, featuring 11-year-old siblings who use science and inventiveness to solve a mystery at their uncle's house. The story encourages hands-on learning with included instructions for building spy gadgets, blending fiction with practical experiments. It's a fun way to inspire curiosity and problem-solving skills without any intense content.

Why we rated Nick and Tesla's secret agent gadget battle LP (Mild)

Nick and Tesla's secret agent gadget battle is written at a Level 3-4 reading level across 254 pages. Reading-wise, most kids in grade 5 and up can manage Nick and Tesla's secret agent gadget battle on their own; younger readers can enjoy it with a parent or teacher reading along.

We rate Nick and Tesla's secret agent gadget battle as LP (Mild, mostly physical) because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.

Thematically, Nick and Tesla's secret agent gadget battle explores science, juvenile fiction, experiments, brothers and sisters, and adventure — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
✓ Kids drawn to stories about science, juvenile fiction, experiments.

Maybe not for

! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

LP · Mild · Physical

Emotional

Mild

Physical

Mild ←

Social

Gentle

Thematic

Mild

Reading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate

Light conflict or tension. Mild peril resolved quickly.

Data confidence: high

Was our "Mild" content intensity rating accurate for this book?