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T.J. Kline Books in Order

Greta Simone Kline, also known by the stage name Frankie Cosmos, is an American musician and singer. She is known for her independent releases, inspired by Frank O'Hara's poetry, DIY ethics of K Records and the early 2000s New York City's anti-folk scene. She is the daughter of actors Kevin Kline and Phoebe Cates. Her former stage name "Frankie Cosmos" is now the name of her band.

Bibliography verified: April 2026

Quick Answer

What are all of T.J. Kline's book series? T.J. Kline has written 6 book series. The most notable is the Healing Harts series.

Complete series list with all books in reading order below.

Book Series by T.J. Kline

About T.J. Kline

Greta Simone Kline, also known by the stage name Frankie Cosmos, is an American musician and singer. She is known for her independent releases, inspired by Frank O'Hara's poetry, DIY ethics of K Records and the early 2000s New York City's anti-folk scene. She is the daughter of actors Kevin Kline and Phoebe Cates. Her former stage name "Frankie Cosmos" is now the name of her band.

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