Everything you need to know about Nightmares! and how to defeat them
Jason Segel (Author), Kirsten Miller (Author), Karl Kwasny (Illustrator)
This guide to the Nightmares of Netherworld contains advice on how to beat the most common species of Nightmares and includes their strengths and weaknesses, fun facts, and pro tips
Print Book, English, 2017
First edition
Delacorte Press, New York, 2017