There are 1 book by Ethan Klumpp on BookOrb. A strong starting point is Sailing on the Moon (2010). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Ethan Klumpp written?
BookOrb lists 1 book by Ethan Klumpp.
Where should I start with Ethan Klumpp?
A good starting point is Sailing on the Moon (2010).
What is the Ethan Klumpp books in order list?
In publication order: 1. Sailing on the Moon (2010).