Dr. Sigmundus
Subtitle: The Hollow People (The Promises of Dr. Sigmundus)
Publisher: Knopf Books for Young Readers
Published: August 11, 2009
Format: Paperback
Number of pages: 352
ISBN-13: 9780440240105
Subjects: Children's Books -- Literature -- Science Fiction, Fantasy, Mystery & Horror -- Science Fiction, Fantasy, & Magic; Teens -- Science Fiction & Fantasy -- Fantasy; Teens -- Science Fiction & Fantasy -- Science Fiction