Book 1

Oct 6, 2009
English
Kindle (192 pages)

Book 2

The Ghostwriter Secret

by Mac Barnett, Adam Rex
Oct 5, 2010
English
Kindle (242 pages)

Book 3

Jan 1, 2011
English
Kindle (290 pages)
Edition: Reprint

Book 4

Danger Goes Berserk

by Mac Barnett, Matthew Myers, Matt Myers
Oct 2, 2012
English
Hardcover (256 pages)