Notes: 1st printing per the number line. The publication series is presented above the title on the title page and is followed by Thriller & Adventure. Map credit is provided on copyright page for "world map" on pp iv-v. No title appears on the map, nor do page numbers. "Word count (main text): 15,748 words." Various notes, essays and activities are included starting on page 71: "Glossary", "Story Notes", "Sea Creatures in This Story", "About the World's Oceans", "About Jules Verne", "Activities: Before Reading", "Activities: While Reading", "Activities: After Reading", "About the Bookworms Library". The last is an unnumbered page and is included in the page count. "Cover image courtesy of Bridgeman Art Library Ltd." No price printed.