Ron Roy

The School Skeleton

Ron Roy, Steven Gurney, 等

The Jaguar's Jewel

Ron Roy

The Invisible Island

Ron Roy

July Jitters

Ron Roy, Steven Gurney, 等

A to Z Mysteries ?The Vampire's Vacation

Ron Roy, Steven Gurney, 等

Capital Mysteries ?Who Cloned the President?

Ron Roy, Liza Woodruff, 等

The Falcon's Feathers

Ron Roy

The Empty Envelope

Ron Roy

A to Z MysteriesThe White Wolf

Ron Roy, Steven Gurney, 等

A to Z MysteriesThe Zombie Zone

Ron Roy, Steven Gurney, 等

A to Z MysteriesThe X'ed-Out X-Ray

Ron Roy, Steven Gurney, 等

Calendar Mysteries #1: January Joker

Ron Roy, Steven Gurney, 等

Capital Mysteries #11: The Secret at Jefferson's Mansion

Ron Roy, Timothy Bush, 等

April Adventure

Ron Roy, Steven Gurney, 等

The Deadly Dungeon

Ron Roy, Steven Gurney, 等

The Talking T. Rex

Ron Roy, Steven Gurney, 等

The Canary Caper

Ron Roy, Steven Gurney, 等

The Runaway Racehorse

Ron Roy, Steven Gurney, 等

The Lucky Lottery

Ron Roy, Steven Gurney, 等

The Kidnapped King

Ron Roy, Steven Gurney, 等

The Quicksand Question

Ron Roy, Steven Gurney, 等

The Panda Puzzle

Ron Roy, Steven Gurney, 等

The Orange Outlaw

Ron Roy, Steven Gurney, 等

The Ninth Nugget

Ron Roy, Steven Gurney, 等