Eleven-year-old Claudia Kincade is feeling underappreciated by her parents and the world in general. The best way to teach them a lesson, she decided, is to [[TheRunaway run away from home for a while]]. But what she hates more than being underappreciated is being uncomfortable, and so she chooses to run away to the Metropolitan Museum of Art in New York City (for all those poofy Marie Antoinette beds to sleep in) and drags along her nine-year-old brother Jamie (for his $24.43).

Thus begins the adventure of a lifetime for both of them, between hiding from museum security in the bathroom, doing laundry, and scrounging for change in the museum fountain, Claudia becomes obsessed with a statue sold to the museum for $225 that may or may not be a Michaelangelo.

And why is the eccentric multi-millionaire Mrs. Basil E. Frankweiler writing such a long letter to her dear lawyer Saxonberg?

A 1968 novel by the children's author E. L. Konigsburg, won her first NewberyMedal.

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!!This story provides examples of:

* EccentricMillionaire: Frankweiler, she sells a [[spoiler:genuine]] Michaelangelo to the Met for pocket change then refuses to provide authentication just so that she can watch the curators squirm.
* FreeRangeChildren: Police and journalist reaction for missing children is really muted in the 1960s compared to today.
* SenselessViolins: Claudia and Jamie packs most of their clothes in a viola and trumpet case.
* SwissCheeseSecurity: The Met overnight security.
* UnusualEuphemism: Jamie's favorite minced oath is "BALONEY", which provides Claudia the EurekaMoment required to solve the Michaelangelo mystery.
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