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Ages 12–18
By Kasie West

The Fill-In Boyfriend

Safe for the age band

Age-appropriate with no significant concerns.

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Ages
12–18

AI summary

After being dumped in the parking lot right before her high school prom, Gia Montgomery convinces a handsome stranger to pretend to be her boyfriend to save face with her friends. The fake relationship evolves into a real connection as they help each other navigate social pressures and past heartbreaks.

Parent notes

This is a wholesome, 'clean' teen romance that focuses on character growth and honesty rather than physical content or mature themes. Parent concerns: Deception/lying as a plot device; Social status and peer pressure focus; Mention of a prom environment (party culture) Romance/sexual content: Romance is limited to kissing and hand-holding. No explicit scenes or heavy sexual tension. Language: Likely contains very mild contemporary slang or minor expletives common in clean YA (e.g., 'heck', 'crap'), but Kasie West is known for 'clean' writing. Violence: No physical violence. Substances: Set at a prom and graduation party, but the author typically avoids depicting underage drinking or drug use. Worldview themes: Importance of authenticity, Navigating peer pressure, Forgiveness and true friendship

Why parents choose this book

What makes The Fill-In Boyfriend worth choosing

An honest, parent-first look at who this book suits, what it offers, and what to know before you buy.

Best for

  • Age range: 12–18 (fits siblings across a range).
  • Reading maturity: Young adult — teen protagonists and more nuanced themes.
  • Kids who tend to love it: readers ages 12–18 looking for a solid story.
  • Personality fit: kids ages 12–18 who enjoy a good story.

Parents love this book because

  • Age-appropriate content for the 12–18 band with no significant flags.
  • Written by Kasie West, whose books parents return to for consistently thoughtful storytelling.

Your child will probably enjoy The Fill-In Boyfriend if they…

  • Enjoy stories written for kids around ages 12–18

This book helps develop

Vocabulary, sustained attention, and reading confidence for the 12–18 age band.

Things parents should know

  • Romance: hand-holding and light crushes, nothing more.
  • Language: clean language throughout.
  • Sexual content: essentially none.

Reading commitment

Estimated reading time
Varies by reader
Length
Length varies by edition
Difficulty
Young adult
Works as read-aloud
Usually read independently
Good for independent readers
Yes — suits confident readers in the age band

Why we recommend it

We think The Fill-In Boyfriend is a confident pick for the 12–18 age band. Kasie West's voice is what makes it stick: readable, respectful of kids, and easy to hand to the next child in the family.

Content ratings

Sexual content1/4
Suicide / self-harm0/4
Violence0/4
Romance1/4
Language1/4
Scary content0/4
Faith content0/4

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What parents say