Lindsay MacMillan writes bestselling fiction, nonfiction, and poetry to expand our hearts and minds.

Her next novel, The Anti-Marriage Pact, is out June 2, 2026 from HarperCollins. Pre-order now.

Literary praise for Lindsay’s books

  • “An analytic and emotional exploration of love, mental health issues, and what it means to give someone your heart.”

    Kirkus Reviews

  • “The Heart of the Deal lays bare the difficulties of balancing friendships, career goals, and romantic relationships while traveling the road to true happiness. It pulled at every single one of my heartstrings.”

    Farah Rochon , USA Today bestsellng author

  • “An insightful novel . . . A stellar supporting cast . . . [An] appealing tale.”

    Publishers Weekly

  • “A deftly crafted and modern love story.”

    Midwest Book Review

  • This friends-to-lovers story is a wholesome exploration of feet-on-the-ground, real world, slow burn, deep love found only in real life.”

    Abby Jiminez, New York Times bestselling author

  • “An ambitious contemporary novel . . . Recommended for fans of Abby Jimenez and Emily Henry.”

    Library Journal

Lindsay also shares original poems and short stories on Instagram. Follow her there for the latest.