Big Books of 2026

Liza, Bill & Jed Mysteries Series

6 primary works • 6 total works
Age Group: 7 to 9

About the series: The McNellis children, twins Liza and Bill and their brother Jed, are young amateur sleuths who enjoy investigating mysteries.

Book 1

Key to the Treasure
by
4.25 · 728 Ratings · 140 Reviews · published 1966 · 21 editions
Each summer Liza, Bill, and Jed visit their grandp…

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    Book 2

    Clues in the Woods
    by
    3.74     · 231 Ratings · 29 Reviews · published 1968 · 13 editions
    Who or what is taking the kitchen scraps from the …

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    Book 3

    The Haunted House
    by
    3.92     · 172 Ratings · 24 Reviews · published 1971 · 17 editions
    "Oh, no!" said Liza. "I won't live in a haunted ho…

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    Book 4

    Pirate Island Adventure
    by
    3.94     · 117 Ratings · 9 Reviews · published 1975 · 12 editions
    Summer vacation at Pirate Island! Liza, Bill, and …

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    Book 5

    The Mystery of Hermit Dan
    by
    3.81     · 89 Ratings · 6 Reviews · published 1977 · 10 editions
    After a frightening run-in with Hermit Dan earlier…

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    Book 6

    The Ghosts of Cougar Island
    by
    3.78     · 100 Ratings · 12 Reviews · published 1986 · 5 editions
    Summer vacation is nearly over, and Liza, Bill, an…

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