The Recommended Reading Path
When it comes to reading the Friday Barnes series, there is one golden rule: read them in order of publication. Unlike some classic mystery series where each book is a completely self-contained puzzle with no overarching plot, Friday's life at Highcrest Academy undergoes major shifts from book to book. Her friendships evolve, her arch-nemesis relationship with Ian Wainscott develops, and she even travels abroad to solve cases in countries like Italy.
Starting with the very first book allows you to understand how Friday gets into Highcrest in the first place, watch her dynamic with her sleepy best friend Melanie form, and see her transition from a school outsider into the campus's indispensable resident detective.
Friday Barnes Books in Order (The Complete List)
Here is the complete list of Friday Barnes books in their correct reading order. The years listed reflect their original Australian publications by Penguin Books/Puffin. In some regions, like the United States, early volumes were republished starting around 2019, but the internal sequence of the story remains identical.
Friday Barnes: Girl Detective (2014)
Eleven-year-old Friday Barnes uses the reward money from solving a bank robbery to send herself to the elite Highcrest Academy boarding school. Once there, she finds the campus is a hotbed of minor and major crimes, ranging from missing homework to a swamp yeti, and she quickly sets up shop as the school's resident private investigator.
Friday Barnes: Under Suspicion (2015)
Friday is back at Highcrest for her second term, but this time she finds herself on the wrong side of the law. When a series of mysterious incidents occur, Friday is falsely accused and must use all her deductive powers to clear her own name and expose the real culprit.
Friday Barnes: Big Trouble (2015)
The stakes rise dramatically when Friday's mother is kidnapped. Friday must juggle the chaos of Highcrest Academy, handle a visiting Norwegian princess, deal with a master thief, and find her mother all at the same time.
Friday Barnes: No Rules (2016)
After the events of the previous book, Friday is sent to Switzerland for a brief reprieve, but she is soon dragged back to Highcrest Academy. The school is under the rule of a new, highly strict headmaster who enforces bizarre rules, and Friday must navigate the changing social hierarchy.
Friday Barnes: The Plot Thickens (2016)
Friday returns to school after the holidays only to find a new set of mysteries waiting for her. From tracking down a vandal who targetted the school's crest to dealing with the sudden arrival of an mysterious new student, Friday's detective skills are pushed to the limit.
Friday Barnes: Danger Ahead (2017)
Highcrest Academy is under siege from a mysterious group of pranksters. Friday has to balance her schoolwork with investigating these increasingly dangerous pranks, all while dealing with her complicated feelings for Ian Wainscott.
Friday Barnes: Bitter Enemies (2018)
Friday and Ian's relationship takes center stage as they find themselves competing directly against one another. The cases this term are more personal than ever, forcing Friday to choose between solving the mystery and protecting the people she cares about.
Friday Barnes: Never Fear (2018)
Friday tries to take a break from detective work to focus on being a normal teenager, but trouble has a way of finding her. When a series of bizarre thefts occur at the school, Friday has no choice but to don her cardigan and get back to work.
Friday Barnes: No Escape (2021)
After a multi-year gap where R.A. Spratt focused on other writing projects, Friday returned in this international adventure. Set in Italy, Friday must investigate a high-stakes art heist while adjusting to a completely different cultural landscape.
Friday Barnes: Undercover (2022)
Friday is sent back to school, but not as a student. Working undercover for the headmaster, she must blend in and uncover a secret network of troublemakers who are threatening to shut down Highcrest Academy for good.
Friday Barnes: Last Chance (2023)
With graduation looming on the horizon, the pressure is on. Friday faces some of her most complex puzzles yet, and she must decide what her future looks like after Highcrest Academy.
Friday Barnes: Collision Course (2024)
Friday finds herself caught in a web of international conspiracies and local boarding school drama. The story pushes Friday and her friends to their limits as they prepare for life after Highcrest.
Friday Barnes: In Plain Sight (2025)
The thirteenth installment of the series continues Friday's adventures. Released in June 2025, it finds our brilliant detective facing fresh mysteries that challenge even her Sherlock-level intellect.
Publication Order vs. Chronological Order
Because the Friday Barnes series is a continuous narrative following Friday's time at Highcrest Academy and her subsequent travels, the publication order and chronological order are identical. Do not attempt to read these books out of order, as you will spoil major plot points, character growth, and the romantic tension between Friday and Ian Wainscott.
If you see differing publication dates online—such as 2019 for Under Suspicion—it is because those represent the U.S. release dates. Always follow the book numbers rather than the release year on the copyright page if you are reading international editions.
What to Know Before You Start
R.A. Spratt's series is a beloved staple of Australian middle-grade fiction, even winning the prestigious Davitt Award for Best Children’s Crime Novel in 2016. The tone of the books is dry, witty, and highly irreverent, often satirizing the classic British boarding school trope by populating Highcrest Academy with useless adults and eccentric, self-reliant kids. While there is no official television series adaptation yet, the screen rights were optioned by the production company CJZ, meaning a TV show could be on the cards in the future.
The Bedtime Stories Podcast Connection
If you finish the books and are looking for more Friday Barnes content, you should check out the weekly podcast Bedtime Stories with R.A. Spratt. In addition to reading fractured fairy tales and stories from her other series like Nanny Piggins and The Peski Kids, Spratt frequently writes and reads original Friday Barnes short mysteries, book excerpts, and promotional chapters. It is a fantastic companion resource for fans of the series.