J. Snell, Roy

Whispers At Dawn; Or, The Eye

The Secret Mark

The Red Lure

White Fire

Triple Spies

On The Yukon Trail

The Firebug

The Crystal Ball

Mystery Wings; A Mystery Story For Boys

The Galloping Ghost

Green Eyes

The Cruise Of The O Moo

A Ticket To Adventure A Mystery Story For Girls

The Purple Flame

The Purple Flame; A Mystery Story For Girls

The Rope Of Gold

Third Warning A Mystery Story For Girls

The Blue Envelope

Sparky Ames Of The Ferry Command

The Secret Mark

Sally Scott Of The Waves

Lost In The Air

Lost In The Air

The Shadow Passes;A Mystery Story For Boys

Sign Of The Green Arrow

The Silent Alarm

Le Rideau Magique Une Histoire Mystérieuse Pour Les Filles

Riddle Of The Storm

Little White Fox And His Arctic Friends

Panther Eye

The Phantom Violin;A Mystery Story For Girls

The Crystal Ball; A Mystery Story For Girls

Norma Kent Of The Wacs

The Crimson Thread; An Adventure Story For Girls

The Firebug

The Magic Curtain; A Mystery Story For Girls

Green Eyes

Johnny Longbow

The Blue Envelope

The Galloping Ghost

Curlie Carson Listens In

The Cruise Of The O Moo

The Arrow Of Fire; A Mystery Story For Boys

Forbidden Cargoes (Mystery Stories For Boys, Vol. 10)

Triple Spies