If...

After high school senior Tyler witnesses a strange boy stepping through a portal, he gets caught up in an adventure that challenges his understanding of reality. While attending a student leadership conference, he encounters London - a mysterious girl who seems to know about these interdimensional doorways. Tyler and London form an alliance to uncover the truth about the portals and their purpose. Their investigation leads them through Salt Lake City as they piece together clues about time travel, parallel universes, and ancient prophecies. The stakes rise when Tyler realizes his choices could impact multiple timelines and realities. He must decide how far he'll go to protect what matters most while navigating complex questions about fate versus free will. The novel explores themes of responsibility and consequence through its blend of romance and science fiction elements. At its core, it examines how seemingly small decisions can ripple outward to affect both past and future.

Readers rate this YA novel 3.7/5 on Goodreads (300+ ratings) and 4.2/5 on Amazon (40+ ratings). Common praise: - Fast-paced time travel concept - Strong character development between Haven and Finn - Clean romance suitable for teens - Builds suspense effectively Main criticisms: - Plot holes in time travel logic - Some found the pacing too slow in early chapters - Several readers noted the protagonist comes across as immature - Ending felt rushed according to multiple reviews One Goodreads reviewer wrote: "The time travel mechanics weren't fully explained and left me with questions." Another noted: "Haven's relationship with her father was the emotional anchor that made the story work." Amazon reviewers frequently mentioned appreciating the absence of inappropriate content, making it suitable for younger YA readers. Several wished for more depth in exploring the time travel rules and consequences. Multiple readers indicated they continued with the series despite concerns about the first book's pacing.

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✦ Lisa Mangum wrote "If" while working as an editor at Deseret Book Company, drawing from her extensive experience in both sides of the publishing industry ✦ The book explores the butterfly effect concept, where small choices can create massive changes in life's outcome - a theory named after meteorologist Edward Lorenz's 1961 discovery ✦ The novel's unique structure presents parallel storylines showing how the main character's life diverges based on a single moment's decision ✦ "If" is part of a growing category of Young Adult books called "sliding doors fiction," named after the 1998 Gwyneth Paltrow film that popularized parallel timeline storytelling ✦ The author completed her first novel at age 11 and went on to graduate from the University of Utah with degrees in English and Book Arts