21 books in series
American Girl History Mysteries
American Girl History Mysteries is a 21-book series with 21 primary works first released in 1999 with contributions by Sarah Masters Buckey, Elizabeth McDavid Jones, Katherine Ayres, Evelyn Coleman, Kathleen Ernst, Megan McDonald, Eleanora E. Tate, Kathryn Reiss, Barbara Steiner, Alison Hart, and Greg Dearth.
| #1 |  The smuggler's treasure
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| #3 |  The night flyers
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| #4 |  Voices at Whisper Bend
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| #5 |  Secrets on 26th Street
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| #6 |  Mystery of the Dark Tower
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| #7 |  Trouble at Fort Lapointe
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| #7 |  Trouble at Fort LA Pointe Trouble at Fort LA Pointe
| 5 | 1 read | ||
| #8 |  Under Copp's Hill
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| #9 |  Watcher in the Piney Woods
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| #10 |  Shadows in the Glasshouse
| 3 | 1 read | ||
| #11 |  The Minstrel's Melody
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| #12 |  Riddle of the Prairie Bride
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| #13 |  Enemy in the Fort
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| #14 |  Circle of Fire
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| #15 |  Mystery on Skull Island
| 3 | 1 read | ||
| #16 |  Whistler in the Dark
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| #17 |  Mystery at Chilkoot Pass
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| #18 |  The strange case of Baby H
| 5 | 1 read | ||
| #19 |  Danger at the Wild West Show
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| #20 |  Gangsters at the Grand Atlantic
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| #21 |  Ghost Light on Graveyard Shoal
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| #22 |  Betrayal at Cross Creek Betrayal at Cross Creek
| 3 | 1 read |