Young Learners

The Letter That Lost Its Sound: S has stopped hissing, and the words need help

A Week of Wednesdays: What if every day were the same day?

Big, Bigger, Biggest Boots: A puddle-day lesson in sizes

Left Mitten, Right Mitten: A twisty tale of two hands

The Day the Clock Yawned: Morning, noon, and night, in order at last

The Color That Hid: Where did blue go, and who will help find it?

How Plastics Never Truly Leave

How Your Phone Knows Touch

How Your Ears Keep Balance

How Your Nose Detects Smells

What Makes Diamonds Hard Forever

Why Planets Orbit the Sun

What Makes Rain Smell Sweet

How Bats See Without Eyes

How Compasses Find North Always

How Elevators Know Which Floor

Why Ice Floats on Water

What Makes Tides Push In

Why Metals Feel So Cold

What Makes Mirrors Show Backward

How Vaccines Train Your Blood

How Your Brain Makes Memories

What Makes Bread Go Stale

What Causes Earthquakes to Shake

What Makes Bread Rise Up

How Your Lungs Really Breathe

Why the Sky Looks Blue

What Makes Fire Need Air

Why Glass Breaks So Sharp

What Makes Lightning Strike Down

What Makes Muscles Get Tired

Why Blood Looks Red Inside

Why Boats Float, Rocks Sink

Why Eggs Cook White Solid

Why Salt Melts Road Ice

Why Your Stomach Growls Loud

How Passwords Protect Your Accounts

Why Seasons Change Each Year

Where All the Garbage Goes

On The Trail: An Outdoor Book for Girls

Story of Wool

Autobiography of an Electron

Harper's Young People, Vol. 01, Issue 29, May 18, 1880

Harper's Young People, Vol. 01, Issue 40, August 3, 1880

Harper's Young People, Vol. 01, Issue 25, April 20, 1880

Harper's Young People, Vol. 01, Issue 41, August 10, 1880

Games for Hallow-e'en

Harper's Young People, Vol. 01, Issue 21, March 23, 1880

Harper's Young People, Vol. 01, Issue 17, Feb. 24, 1880

Harper's Young People, Vol. 01, Issue 13, Jan. 27, 1880

Harper's Young People, Vol. 01, Issue 20, March 16, 1880

Harper's Young People, Vol. 01, Issue 28, May 11, 1880

Adventures of a Grain of Dust

Bird World: A Bird Book for Children

Trees Every Child Should Know

Children's Life of the Bee

Children's Book of Birds

Secret of Everyday Things

Story Book of Science