Prospero Burns
The Horus Heresy #21 by Alan Merrett Prospero Burns is a 2010 book by Alan Merrett and is book #21 in the The Horus Heresy series. Check Price on Amazon
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U is for Undertow
Kinsey Millhone #21 by Sue Grafton U is for Undertow is a 2009 book by Sue Grafton and is book #21 in the Kinsey Millhone series. Check Price on Amazon
Mystery Mutt
Cul-de-sac Kids #21 by Beverly Lewis Mystery Mutt is a 2000 book by Beverly Lewis and is book #21 in the Cul-de-sac Kids series. Check Price on Amazon
The Cat Who Saw Stars
The Cat Who #21 by Lilian Jackson Braun The Cat Who Saw Stars is a 1999 book by Lilian Jackson Braun and is book #21 in the The Cat Who series. Check Price on Amazon
Clock Dance
Standalone #21 by Anne Tyler Clock Dance is a 2018 book by Anne Tyler. It stands as an individual title in the author’s bibliography. Check Price on Amazon
The Bourne Escape
Jason Bourne #7 by Brian Freeman The Bourne Escape is a 2025 book by Brian Freeman and is book #7 in the Jason Bourne series. Check Price on Amazon
Oath of Loyalty
Mitch Rapp #8 by Kyle Mills Oath of Loyalty is a 2022 book by Kyle Mills and is book #8 in the Mitch Rapp series. Check Price on Amazon
State of Fear
Standalone #21 by Michael Crichton State of Fear is a 2004 book by Michael Crichton. It stands as an individual title in the author’s bibliography. Check Price on Amazon
Bone Deep
Doc Ford #21 by Randy Wayne White Bone Deep is a 2014 book by Randy Wayne White and is book #21 in the Doc Ford series. Check Price on Amazon
How to Raise an Elephant
No. 1 Ladies Detective Agency #21 by Alexander McCall Smith How to Raise an Elephant is a 2020 book by Alexander McCall Smith and is book #21 in the No. 1 Ladies Detective Agency series. Check Price on Amazon