Roy Snell: 51 books

As Johnny Thompson put out a hand to ring the door bell of that brownstone house facing the deserted grounds of the Chicago Century of Progress and the lake, the door opened without a sound. He looked up, expecting to see a face, hear a voice, perhaps. The voice came: “Step inside, please.” But there...

Ten-year-old twins Marjory and Margaret MacDonald may be wealthy beyond most people's wildest dreams, but that doesn't mean that they don't like to have fun, just like other kids their age. While attending the circus under the watchful eye of their personal bodyguard, Johnny Thompson, the twins fall...

A tale of mystery and adventure written for younger ladies, but thoroughly enjoyable by all.

After an exhausting series of adventures, hero Johnny Thompson has planned a little downtime to recuperate. But when a local shopkeeper tells him a tale about a legendary lure, Johnny finds that he can't think about anything else, so he sets off into the wilds of Honduras to solve yet another mystery.

Intrepid amateur sleuth Johnny Thompson takes a break from exploring in the jungles, forests, and other remote regions of the world to crack a case in the big city. In the novel The Firebug, Johnny is hot on the trail of an arsonist whose twisted obsession threatens to devastate the community.

This globetrotting mystery story geared to younger audiences begins when fearless heroine Florence Huyler happens to witness a nefarious deed. Her tireless search to bring the perpetrator to justice unfurls against the backdrop of the 1933 World's Fair in Chicago and then extends into an adventure that takes Florence and her sidekick Jeanne around the world.

“You mean to say he takes those big, jug-like things down there empty and brings them up full?” Johnny Thompson, the boy from Illinois who had travelled far and seen many strange things, stared at Ballard Ball, the red-headed boy of the Cumberland Mountains of Kentucky, with surprise. If the truth...

Flaming Island: “Look, Dave. See those strange clouds?” Florence Huyler shaded her eyes to look away toward the horizon. Her face wore an expression of bewildered curiosity. “Yes, I see them. They are queer!” young “Captain Davie,” as everyone called him, replied as he wrinkled...

Florence Huyler read the number on the door. She wondered at the lack of light from within; the glass of the door was like a slab of ebony. “No one here,” she murmured. “Just my luck.” For all that, she put out a hand to grasp the knob. In a city office building, ten stories up, one does not...

Classic adventure tale written for younger ladies, but thoroughly enjoyable by the whole family.

After three years traveling the world, amateur detective Johnny Thompson decides to spend some time getting reacquainted with his native city of Chicago. But he hasn't been back more than 24 hours before he finds himself embroiled in yet another confounding mystery.

One of the books from a mystery book series for young adults.