THE BETTER-FINDING DEPARTMENTINDEPENDENTLY CURATED SHOPPING EDITSEST. 2026
Hazard Harold The Birdinator: The Night the Goo Got Loose book cover
WELCOME TO GLOOM HOLLOW

ONE TINY BIRD. ONE BIG IDEA. ONE VERY BAD PLAN.

Meet Hazard Harold — a cheerful bird skeleton with a laboratory, a curious black cat, and absolutely no reason to be this confident.

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FULL-COLOR STORYBOOK SPOOKY-CUTE HALLOWEEN FUN GOO. LOTS OF GOO.
THE SETUP

HAROLD HAS A PLAN.

This is usually where the trouble starts.

Harold loves inventing things in his lab in Gloom Hollow. His cat watches. The goo bubbles. Harold gets an idea. And then everything gets much more interesting.

01 Build something questionable.
02 Ignore several obvious warning signs.
03 Run.
Hazard Harold Harold's black cat
AND THEN...
THE GOO
GOT LOOSE.
RUN, HAROLD.
Hazard Harold running
Hazard Harold The Birdinator: The Night the Goo Got Loose
THE FIRST HAZARD HAROLD ADVENTURE

THE NIGHT THE GOO GOT LOOSE

A funny, beautifully illustrated trip into Gloom Hollow with one unforgettable little troublemaker at the center of it all.

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A WORLD KIDS CAN FALL INTO Rich full-color artwork, glowing goo, crooked houses, pumpkins, lanterns, and tiny visual details everywhere.
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A CHARACTER BUILT FOR MORE ADVENTURES Harold means well. That is not the same thing as Harold making good decisions.
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HALLOWEEN ENERGY WITHOUT LOSING THE HEART Spooky-cute, playful, colorful, and packed with personality.
START THE ADVENTURE GET THE BIRDINATOR →
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ONE BAD IDEA AWAY FROM ADVENTURE

BRING HAROLD HOME.

Start with The Night the Goo Got Loose and meet the little bird skeleton who was absolutely sure this would work.

GET THE BOOK →

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Hazard Harold The Birdinator book cover