The Fourth Ruby (Section 13)
(Section 13 #2)
by James R. Hannibal

• Publication Date: October 23, 2018
• Genres: Adventure, Children's 8-12, Fantasy, Fiction, Mystery
• Paperback: 432 pages
• Publisher: Simon & Schuster Books For Young Readers
• ISBN-10: 1481467131
• ISBN-13: 9781481467131