The 39 Clues: Cahills vs. Vespers Reading Order

The Medusa Plot(By: Gordon Korman)

2011

A King's Ransom(By: Jude Watson)

2011

The Dead of Night(By: Peter Lerangis)

2012

Shatterproof(By: Roland Smith)

2012

Trust No One(By: Linda Sue Park)

2012

Day of Doom

2013