Missing children

Free to read here, from Project Gutenberg.

The Golden Shoemaker

J. W. Keyworth

The Monster and Other Stories

Stephen Crane

Sing a Song of Sixpence

Mary Holdsworth

The Pied Piper of Hamelin, and Other Poems

Robert Browning

Jack the Hunchback: A Story of Adventure on the Coast of Maine

James Otis

Chita: A Memory of Last Island

Lafcadio Hearn

Hal Kenyon Disappears

Gordon Stuart

Mary Erskine

Jacob Abbott

Ethel Morton's Enterprise

Mabell S. C. Smith

In Search of a Son

William S. Walsh

The Castaways of Pete's Patch

Carroll Watson Rankin

A Waif of the Mountains

Edward Sylvester Ellis

Bessie on Her Travels

Joanna H. Mathews

Billie Bradley on Lighthouse Island; Or, The Mystery of the Wreck

Janet D. Wheeler, also an audiobook

Daisy's Work: The Third Commandment

Joanna H. Mathews

The Camp Fire Girls Amid the Snows

Margaret Vandercook, also an audiobook

Little Frida: A Tale of the Black Forest

Anonymous

Die Brücke im Dschungel

B. Traven

German

Campmates: A Story of the Plains

Kirk Munroe

Quicksilver: The Boy With No Skid to His Wheel

George Manville Fenn

Dorothy at Oak Knowe

Evelyn Raymond

Bobby Blake on a Plantation; Or, Lost in the Great Swamp

Frank A. Warner

Taking Tales: Instructive and Entertaining Reading

William Henry Giles Kingston

Silver Lake

R. M. Ballantyne

The Princess and Joe Potter

James Otis

The Extraordinary Adventures of Poor Little Bewildered Henry, Who was shut up in an Old Abbey for Three Weeks

Anonymous

Our Soldier Boy

George Manville Fenn

Smugglers' Island and the devil fires of San Moros

Clarissa A. Kneeland

Footprints

Annette Lyster

The Little Girl Lost

Eleanor Raper

Lost in the backwoods

E. C. Kenyon

The Lost Child

Henry Kingsley

Lost Gip

Hesba Stretton

Esther's triumph

Emma Leslie

A new note in the Christmas Carol

Clara Wood Mingins