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Books like The O'Sullivan Twins
A cozy, bustling return to midnight feasts, lacrosse matches, and the comforting rhythms of classic boarding school life. These 12 books are the closest matches in mood, pace and themes, with what each one shares with The O'Sullivan Twins.
- cozy
- nostalgic
- bustling
- wholesome
- 01
The Twins at St. Clare's
Enid Blyton · 1990
A cozy, vintage romp through midnight feasts, lacrosse matches, and the hard-won lessons of friendship.
- 02
Claudine at St. Clares
Enid Blyton · 1970
A cozy, spirited romp through a mid-century boarding school where midnight feasts and mild mischief reign supreme.
- 03
Kitty At St. Clare's
Pamela Cox
A delightfully cozy return to the bustling, prank-filled halls of a vintage boarding school, where friendship is the ultimate prize.
- 04
The lost twin
Sophie Cleverly
A shadowy boarding school mystery where a quiet girl must step into her missing sister's shoes to uncover a trail of hidden secrets.
- 05
Fun and Games at Malory Towers
Pamela Cox
A cozy, spirited return to a classic boarding school world filled with midnight feasts, fierce rivalries, and enduring friendships.
- 06
The Naughtiest Girl Wants to Win
Anne Digby · 2001
A spirited boarding school drama fueled by righteous indignation and the frustrating battle against a two-faced rival.
- 07
Island of the aunts
Eva Ibbotson
A delightfully eccentric seaside adventure where environmentalism meets mythical creatures and found family.
- 08
Double act
Jacqueline Wilson · 2001
A bittersweet, deeply relatable exploration of what happens when two halves of a whole realize they need to become their own people.
- 09
Mallory and the trouble with twins
Ann M. Martin
A cozy, relatable exploration of figuring out who you are when everyone expects you to be just like someone else.
- 10
Secrets
Kate William · 1983
A deliciously soapy plunge into 1980s high school royalty, where lip gloss and vicious gossip are the ultimate weapons.
- 11
Then there were five
Elizabeth Enright
A sun-warmed, nostalgic plunge into a mid-century summer where sibling bonds and newfound friendships bloom into family.
- 12
The Story of the Treasure Seekers
Edith Nesbit
A sunlit, delightfully wry romp through the grand, doomed schemes of fiercely loyal siblings trying to save the day.











