Snell, Roy J. (Roy Judson)

The Gray Shadow - A Mystery Story For Boys

English 731h 5m read

Secrets of Radar

English 973h 45m read

Jet Plane Mystery

English 868h 46m read

The Golden Circle - A Mystery Story for Girls

English 781h 48m read

Wings over England

English 633h 21m read

Norma Kent of the WACS

English 856h 25m read

Sparky Ames of the Ferry Command

English 775h 44m read

Gypsy Flight - A Mystery Story for Girls

English 726h 25m read

Green Eyes

English 670h 9m read

On the Yukon Trail - Radio-Phone Boys Series, #2

English 632h 27m read

Third Warning - A Mystery Story for Girls

English 680h 17m read

Sign of the Green Arrow - A Mystery Story

English 521h 33m read

Sally Scott of the WAVES

English 753h 31m read

A Ticket to Adventure - A Mystery Story for Girls

English 708h 42m read

The Shadow Passes - A Mystery Story for Boys

English 634h 50m read

Hour of Enchantment - A Mystery Story for Girls

English 658h 26m read

The phantom violin

English 713h 43m read

Red Dynamite - A Mystery Story for Boys

English 755h 51m read

The Crystal Ball - A Mystery Story for Girls

English 822h 44m read

Mystery Wings - A Mystery Story for Boys

English 662h 16m read

The Galloping Ghost - A Mystery Story for Boys

English 838h 18m read

Whispers at Dawn; Or, The Eye

English 640h 20m read

Riddle of the Storm - A Mystery Story for Boys

English 798h 8m read

The Arrow of Fire - A Mystery Story for Boys

English 748 hours read