Birthday Girl, by Penelope Douglas (softback, english edition)

🇬🇧 This Book Is In English

Some lines were never meant to be crossed. She crossed every single one.

Birthday Girl by Penelope Douglas

The story that will ruin you for every other book.

She's turning eighteen. He's her boyfriend's father. And the worst part? He already knows her name.

What starts as a forbidden glance becomes an obsession neither of them can outrun. Penelope Douglas delivers a slow-burn, age-gap romance so charged with tension it practically smolders off the page — a story about desire, guilt, and the terrifying pull of wanting someone you were never supposed to have.

Why BookTok is obsessed:

• 🔥 Slow burn that will have you screaming at the pages
• 💀 Forbidden age-gap romance at its most deliciously dark
• 😮‍💨 Enemies-to-lovers tension wrapped in taboo
• 💔 Emotionally devastating with a payoff worth every ache
• 📖 One of Penelope Douglas's most beloved and re-read novels

Perfect for readers who love: age gap · forbidden romance · slow burn · taboo · contemporary dark romance · BookTok favorites

📚 Format & Details

• Format: Softback
• Genre: Dark Romance / Erotica
• Series: Standalone

⚠️ Content Warning: Explicit sexual content, age gap, taboo themes. Intended for readers 18+.

"He was supposed to be off-limits. But some rules exist only to be broken."