Lily Tripp: Diary of an Accidental Time Traveler (Lily Tripp Diaries, 1)

 
4.2 (2)
 
0.0 (0)
505 0
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Author(s)
Age Range
10+
Release Date
May 12, 2026
ISBN
978-0374396183
Buy This Book
     
The start of a brilliantly funny accidental time-travel diary trilogy for tweens. It’s Back to the Future meets Judy Blume, with a 13-year-old girl who tackles timeslip mishaps, laugh-out-loud embarrassing moments, and one unpredictable adventure after another.

Hi! I’m Lily. My birthday is in two weeks and I have a big secret: Every New Year's when the clock strikes midnight, I time travel to a new century. Mind-blowing, right!?

Thank goodness my cat, best friend, and school crush always turn up, too. But I still have a ton of problems… like why is my arch-nemesis, Georgia, so good at ye olde insults? How does anyone survive in Ancient Rome without chicken nuggets? Why are my brother’s clothes so ridiculous in every century? And why on earth can’t I stay in one era!?

Editor reviews

2 reviews
Understanding yourself
(Updated: June 30, 2026)
Overall rating
 
4.3
Plot
 
4.0
Characters
 
5.0
Writing Style
 
4.0
Illustrations/Photos (if applicable)
 
N/A
What worked:
Time travel is always an intriguing topic, and the author adds a creative twist. Every New Year’s Eve, Lily is transported back in time, along with everyone she knows. However, Lily is the only character aware that it’s happening. These characters maintain their personalities and relationships with Lily, which provides readers with some consistency as the settings change. Lily has a crush on Ollie, but she’s a servant in 1621 and can’t show it. They still share a love for reading and find ways to interact when opportunities arise. Georgia bullies Lily during each time period, but it’s difficult for her to obey Georgia’s orders in 1621.
A main aspect of the story is Lily’s personal growth, as she tries to understand her connections to other characters. Georgia subtly insults Lily in 2025, but Lily doesn’t understand why it happens. She reaches a breaking point in each time period and retaliates against her tormentor. However, her actions have unexpected consequences, forcing her to evaluate her own behavior. Poppy is Lily’s best friend, and Lily admires Poppy’s willingness to be different. Poppy always supports Lily, but their friendship is tested as the plot progresses. Lily is unsure how she feels about Joe. He seems to be a neutral character, although he shares suggestions about how to get revenge against Georgia. Lily eventually must reconsider his influence on her life.
Visits to different time periods provide opportunities for readers to learn about England’s history. People in 1621 were strictly religious, and being accused of witchcraft could be a death sentence. Lily draws suspicion when she refuses to let doctors drain blood from her sick mother and instead makes chicken soup and a concoction of ingredients for congestion. Lily is baffled at the lack of women’s rights in 1621, and she’s angry that there hasn’t been much improvement in 1972. She faces culture shock in 1972 when she doesn’t know about popular music and pop stars. She doesn’t understand why she’s considered different for not wearing a regular bra in 2025, but Georgia insults her for wearing one and not supporting women’s liberation in 1972.
What didn’t work as well:
The jumps to different years in history are creative, but the first half of the plot feels choppy. There’s no explanation for how or why the jumps occur, so readers are left to wonder.
The final verdict:
The time jumps make it more challenging to understand the overall plot, but Lily’s self-actualization is the real story. She encounters the same characters in different time periods and must learn to understand her place among them. I recommend you try this book for yourself.
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Tween Problems Throughout History
(Updated: June 30, 2026)
Overall rating
 
4.0
Plot
 
4.0
Characters
 
4.0
Writing Style
 
4.0
Illustrations/Photos (if applicable)
 
N/A
Lily lives with her accountant parents in England in 2025... most of the time. She has an odd habit of traveling back in time at New Year's Eve, and has spent a year in Victorian England and another in ancient Rome before returning to the present day after wishing on birthday candles. Whenever she travels, the people in her life stay the same. There are her parents, her best friend Poppy, nemesis Georgia, and crush Ollie. A classmate, Joey, often shows up as well. This year, she is determined to find out how Ollie feels about her at a New Year's Eve party, but before she knows it, she wakes up in 1621. This time, she and her family are servants living in Georgia's house! Ollie is also wealthy, but still talks to her. The two still exchange books. Because of her odd habits, and her attempt to make chicken nuggets, Lily is almost accused of being a witch, but before anything happens, travels to 1972. While she enjoys Jackie magazine, she is appalled by the open gym showers and the braless feminists. Lily eventually realizes that Ollie will never like her, not matter what time period they are in, and that Joey is a better friend than she has imagined.
Good Points
British protagonist. Check. Time travel to the past. Check. Light romance. Check. This had all of the elements that I would have adored in middle school. Lily takes the time traveling in stride and blends in fairly well with whatever time period she is inhabiting, even though she keeps her modern sensibility. I liked how the supporting characters stayed essentially the same, but changed slightly depending on the setting. This had plenty of humor, as well as the romance and friend drama that my readers have been asking for.

This was really intriguing, so I wanted to know the reasons for Lily to time travel. I wanted to know not only why she was time traveling, but how. The look into different eras of history is interesting, but I felt like I was missing something. Perhaps the next book in the series will provide more insight.

This is a fantastic choice for readers who can't get enough time travel books like Saunders' Beswitched or Kelly's The First State of Being, but who secretly miss the late Louise Rennison's Confessions of Georgia Nicolson series.
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