Dr. Ecco
Subtitle: Mathematical Detective (Codes, Puzzles, and Conspiracy)
Edition: Dover Edition edition
Publisher: Dover Publications
Published: June 18, 2004
Language: eng
Format: Paperback
Number of pages: 256
ISBN-13: 9780486435527
Subjects: Science: General Issues; Recreations & Games; Science; Mathematics; Science/Mathematics; Science / General; General; Mathematical recreations