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Hello Readers!

Students often ask me where I get my ideas for books, and the answer surprises them: in my “backyard” in Maine! I have hunted for invisible “zombie bears” in the woods (they’re real), gotten soaked while helping spotted salamanders cross the road to their vernal pools on rainy spring nights, and slogged through stinky marsh mud to spy on shorebirds. Not to mention getting bitten by zillions of mosquitoes. It’s all part of research.

And you thought writers just sat at their desks all day. Well, I do plenty of that, too. Once I get an idea, I spend months reading, interviewing scientists, taking notes, and organizing the information I have gathered. Finally, I start writing—and rewriting many, many times. Eighteen months laterTa Da! A book!

I hope reading my books inspires you to explore your backyard, local parks, and wild places. I’d love to hear about the cool things you see and learn about—you can write to me at

Bring Kim to Your School!

"Kim has a wonderful way of breaking down the writing process that helps even the most reluctant writers find their voices.”  - Jamie Reid, Librarian, Ellsworth Elementary School

Kimberly’s Blog and News

Aliens of the Sea?

Wading in the icy waters of Maine’s Penobscot Bay one summer day, I spotted transparent creatures near the surface rippling with rainbow bands of light. I thought I was seeing things until a scientist friend told me that these thumb-long, otherworldly critters are called comb jellies. He explained that their namesake “combs” — rows of […]

This Animal Might Save Your Life!

Horseshoe crabs have blue blood that contains a special substance that clots around bacteria to prevent infection from spreading. Called LAL for short, it is used to test medical equipment for bacterial contamination. If you’ve ever had a shot, stitches, or surgery, you can thank horseshoe crabs for helping to keep you safe! Horseshoe crab […]

Meet the Water Bear: Toughest Animal on Earth!

This “bear” is smaller than a grain of sand, but it’s super tough! Meet the water bear, or tardigrade, a tiny animal found on every continent–and maybe in your backyard! Tardigrades live in films of water on lichen and moss, as well as in ponds and in the ocean. If their moss clumps dry up, […]

River Otters!

Two surprises popped out of a hole in the ice on a small roadside pond on Deer Isle as I drove by the other week: river otters! They didn’t seem to mind the cold and snow a bit as they frolicked on the ice and then dove back underwater. Winter is a good time to […]

The Secret Bay

by Kimberly Ridley illustrated by Rebekah Raye AWARDS: *Moonbeam Silver*, *Riverby Award, John Burroughs Association Riverby 2016 Award* Estuaries form where river meets sea and fresh water mixes with salt. Teeming with life, these places of salt marshes, mudflats, and tidal backwaters serve as nursery areas for oceangoing fish, migratory stopovers for shorebirds, and homes […]

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The Secret Pool

Kimberly Ridley Illustrated by Rebekah Raye Publication date: September 1, 2013 Hardcover, $16.95, ISBN 978-0-88448-339-7 9 x 10, 32 pages, color illustrations Children / Nature; Grades 2-4 You might walk right by a vernal pool and not notice it. Often mistaken for mere puddles in the woods, vernal pools are the source of life for […]

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Extreme Survivors

Extreme Survivors : Animals That Time Forgot What do the horseshoe crab, chambered nautilus, goblin shark,tuatara lizard, velvet worm, lungfish, tadpole shrimp, and the indestructible beasts called tardigrades (which look like bears but are the size of the period at the end of a sentence) have in common? These and a very few other animals […]

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Science writer Kimberly Ridley is the award-winning author of nonfiction books that invite children and their grown-ups to explore the real-world magic and mystery in their own backyards.  Her joy is sharing her love of nature and writing with kids through her books and school visits. Kimberly’s picture books, The Secret Pool (Kirkus starred review) and The Secret Bay, have received honors including Riverby Awards from the John Burroughs Association for “outstanding natural history books for young people.” Her newest book is Extreme Survivors: Animals That Time Forgot.

An essayist and former magazine editor, Kimberly has written for publications including The Boston Globe and the Christian Science Monitor, and is a contributing editor to Downeast Magazine. She holds an MS in Science Journalism from Boston University.Kimberly grew up in Maine, and after 10 years in Boston happily moved back to her home state. She lives with her artist husband and their cat Tilly. Kimberly spends as much time as possible exploring the woods, fields and shores around her home in Brooklin, following her curiosity. Her father told her she was “born asking questions.”

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