2026 Reading Challenge
Mark Costello
84 ratings (3.90 avg)
6 reviews

Mark Costello

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Mark’s Bookshelves


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Mark is Currently Reading

The Library at Mo...
Mark Costello is currently reading
by Scott Hawkins (Goodreads Author)
bookshelves: currently-reading
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Jan 01, 2026 04:20PM
Terrible Beauty: ...
Mark Costello is currently reading
by Auden Schendler (Goodreads Author)
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Nov 21, 2025 08:13AM
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Mark’s Year In Books

year in books
Mark’s 2025 Year in Books
Take a look at Mark’s Year in Books, including some fun facts about their reading.
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Mark’s Friends (3)

Morgan ...
Morgan Babinski
519 books | 80 friends

Emily T...
Emily Takeno
214 books | 4 friends

Jillian
Jillian
149 books | 5 friends


People Mark is Following

Julia C...
Olivia
Steven ...
Kim Sta...
Peter Z...

Favorite Genres

Biography, Business, History, Memoir, Non-fiction, Philosophy, Science, Self help, Spirituality, and Travel


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