Flat Stanley's Worldwide Adventures

1 The Mount Rushmore Calamity (2009) (with Sara Pennypacker)
     aka The Big Mountain Adventure
2 The Great Egyptian Grave Robbery (2009) (with Sara Pennypacker)
3 The Japanese Ninja Surprise (2009) (with Sara Pennypacker)
4 The Intrepid Canadian Expedition (2009) (with Sara Pennypacker)
5 The Amazing Mexican Secret (2010) (with Sara Pennypacker)
6 The African Safari Discovery (2010) (with Sara Pennypacker)
7 The Flying Chinese Wonders (2011)
8 The Australian Boomerang Bonanza (2011)
9 The US Capital Commotion (2011)
10 Showdown at the Alamo (2013)
11 Framed in France (2014)
12 Escape to California (2014)
13 The Midnight Ride of Flat Revere (2016)
14 On a Mission for Her Majesty (2017)
15 Lost in New York (2018)

Flat Stanley's Worldwide Adventures 1-4 Box Set (2014)

Flat Stanley's Worldwide Adventures Complete Collection (2014)