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Horrible Harry and the Green Slime

by Suzy Kline · Horrible Harry #2

A short, funny chapter book where a creative kid's wild classroom ideas bring his school community together

Kid
56
Parent
59
Teacher
64
Best fit: ages 6-9 Still works: ages 5-10 Lexile 470L

The story

Told through the eyes of Doug, a thoughtful second grader at South School, this book follows four classroom adventures: a secret pal exchange that tests a best friendship, a hilariously dark anti-smoking skit, a school-wide cobweb installation inspired by a beloved read-aloud, and a demonstrations day featuring hair-spiking and a working green slime recipe. Through it all, Doug's best friend Harry proves that his 'horrible' ideas are actually wonderful.

Age verdict

Best for ages 6-9. The friendship dynamics and classroom humor hit the sweet spot for second and third graders. Younger kids will enjoy it as a read-aloud; older kids may find the stakes too gentle unless they're building reading stamina.

Our take

Teacher-strong classroom asset with strong humor, genuine stereotype-breaking, and exceptional project potential; warm, accessible, genuinely valuable

What stands out

Each audience's top 3 dimensions. Out of 30 scored per book.

👦

Kids love

  • Laugh-out-loud Strong

    physical comedy (kings coughing and dying), verbal comedy (We Three Kings rewrite), absurdist comedy (Tootsie Roll cigars), character comedy (Sidney's bean complaints, principal's spiked hair). Sits at 7 because humor density rivals CODE-8 benchmarks (nearly every scene delivers a laugh) but lacks the visual-design sophistication of graphic novels.

  • First-chapter grab Solid

    Comparable to All the Broken Pieces — opening establishes immediate emotional stakes. Both open with relational urgency (broken friendship vs trauma), but Harry and Doug's jar-draw is more age-appropriate and accessible than YA verse trauma. Sits at because the emotional hook (will they stay friends?) is immediate and potent for 2nd-3rd graders, matching the anchor's emotional establishment without matching its literary sophistication.

👩

Parents love

  • Stereotype-breaker Strong

    Tier 3 escalation: Comparable to A Snicker of Magic , triangulated with A Wolf Called Wander . Song Lee is portrayed as capable and creative (Ch. 4: she's Harry's trusted demonstration partner, handling precise slime-chemistry). Harry's 'horrible' label is systematically reframed as creative brilliance across all four chapters. Both stereotypes—ESL-student-as-deficient and troublemaker-as-destructive—are quietly dismantled. Sits at 7 because the subversion is consistent and organic, not preachy, matching A Snicker's quiet but systemic stereotype-breaking.

  • Reading gateway Strong

    Comparable to A Deadly Education , triangulated with Earthquake in the Early Morning . Four short chapters (each 15-20 pages) with illustrations, relatable school setting, emotional stakes (will Doug and Harry stay friends?), episodic format that lets kids finish one chapter feeling accomplished. The Secret Pals hook pulls transitional readers through the longest chapter before they realize they've read 20+ pages. Sits at 7 because this is a genuine reading gateway for kids 6-8, but lacks the sophisticated narrative voice and literary density of CODE=8+ anchors.

🍎

Teachers love

  • Read-aloud power Strong

    Tier 3 escalation: Comparable to Lunch Lady and the Cyborg Substitute , triangulated with A Tale Dark and Grimm . The Deadly Skit chapter is literally designed for oral performance. The rewritten 'We Three Kings' lyrics flow naturally aloud. Doug's conversational narration reads fluently with distinct character voices. The short chapters fit perfectly into classroom read-aloud blocks. Sits at 8 because the book's performability rivals CODE-8 benchmarks—the skit itself is a complete, stageable scene that teachers will naturally perform with student participation.

  • Project potential Strong

    Tier 3 escalation: Comparable to Earthquake in the Early Morning — Four distinct, tested project ideas: cobweb invasion (school-wide literary celebration), green slime (hands-on science with home replication), Deadly Skit (class performance piece), demonstrations (student-presented skills showcase). Each project is authentic, kid-driven, and immediately actionable. Sits at 8 because the project density and quality rival CODE-8 benchmarks—a teacher genuinely has four weeks of connected, substantive projects from this book.

✓ Perfect for

  • Kids who love school stories with humor and heart
  • Transitional readers stepping up from picture books to chapter books
  • Creative kids who enjoy hands-on projects and experiments
  • Readers who want relatable friendship dynamics in a safe setting

Not ideal for

Readers looking for action, adventure, fantasy, or sustained narrative tension — this is episodic classroom humor, not a page-turning quest

At a glance

Pages
64
Chapters
4
Words
9k
Lexile
470L
Difficulty
Easy
POV
First Person
Illustration
Moderate
Published
1989
Publisher
Recorded Books, Inc.
Illustrator
Frank Remkiewicz
ISBN
9780788707438

Mood & style

Tone: Warm Pacing: Steady Clip Weight: Light Tension: Emotional Stakes Humor: Situational Humor: Gentle Wit

You'll know it worked when…

Your child will likely want to try making green slime (cornstarch, water, and food coloring — the recipe works) or will retell the principal's spiked-hair scene with giggles.

If your kid loved "Horrible Harry and the Green Slime"

Matched across 30 dimensions — interest hooks, character appeal, tone, pacing, emotional core. Not by what other people bought. By what fits the same reader profile.

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