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TL;DR: Five years ago, schoolgirl Andie Bell disappeared from the quiet English town of Little Kilton. Her boyfriend, Sal Singh, was blamed and later died, and the town closed the case. Now seventeen-year-old Pip Fitz-Amobi chooses the case for her school project, convinced that Sal was innocent. With Sal's brother Ravi, she uncovers secrets someone will do anything to protect.
Table of Contents
A Good Girl's Guide to Murder at a Glance
| Author | Holly Jackson |
| First published | 2019 |
| Type | Young adult mystery |
| Best for | readers who want a clever, gripping teen mystery told through interviews and clues |
A Good Girl's Guide to Murder is the first book in Holly Jackson's series of the same name, published in 2019. It was adapted into a BBC series in 2024. Below you will find a part-by-part summary, five key takeaways, ideas worth remembering and a note on who will enjoy it.
Content note: Includes murder, drugs, sexual assault, threats and the death of a pet.
Main Characters
- Pippa “Pip” Fitz-Amobi: A determined student investigator.
- Ravi Singh: Sal's younger brother, who helps Pip.
- Andie Bell: The missing girl.
- Sal Singh: Andie's boyfriend, blamed for her disappearance.
- Becca Bell: Andie's younger sister.
What Happens, Part by Part (Contains Spoilers)
The project
Pip chooses to investigate Andie's disappearance for her school project. She interviews people from the town and keeps logs, transcripts and notes, which appear throughout the book. The official story says that Sal killed Andie and then took his own life. Pip believes the evidence does not fit.
Ravi
Pip teams up with Ravi, who has suffered years of prejudice because of his brother. Together they look into Andie's secret life. They discover that Andie was dealing drugs at parties and was involved in dangerous relationships. Many people in town had reasons to be angry with her.
Threats
Pip receives anonymous threats telling her to stop. Her family and friends are pulled into the case. She uncovers that a popular young man in town, Max Hastings, has been drugging girls at parties. Pip's investigation becomes more dangerous, and she starts to break the rules to find the truth.
Suspects
Pip learns that Andie was secretly seeing an older man and that someone close to her own friends may have been involved in Sal's death. The suspects keep changing. Pip finds new clues about the night Andie disappeared, including a car seen near the scene.
The truth
Pip discovers that Sal was murdered to make him look guilty, and that Andie's death happened in a completely different way than anyone imagined, involving someone very close to her. The culprits are revealed, and Sal's name is cleared. Pip pays a painful personal price for her investigation, and the town has to face its own prejudice.
5 Key Takeaways
- Prejudice can lead to injustice.
- Persistence can uncover hidden truths.
- Small towns can hide big secrets.
- Investigating carries real risks.
- The truth matters even when it hurts.
Ideas Worth Remembering
These are paraphrased, not direct quotes:
- Do not accept the easy answer.
- Partners make investigations stronger.
- Justice can come years later.
Who Should Read A Good Girl's Guide to Murder?
Read A Good Girl's Guide to Murder if you enjoy clever, twisty mysteries and teen detectives. It suits teens and adults.
About Holly Jackson
Holly Jackson (born 1992) is a British author from Buckinghamshire. She began writing as a teenager and studied literary linguistics. A Good Girl's Guide to Murder became a major success and was followed by Good Girl, Bad Blood, As Good As Dead and a novella. Her other books include Five Survive and The Reappearance of Rachel Price.
Questions to Think About After Reading
These prompts work for solo reading, a book club or a classroom discussion of A Good Girl's Guide to Murder:
- Why did the town believe Sal was guilty?
- How does Pip's investigation change her?
- Was Pip right to break rules to find the truth?
How to Use This Summary
Use this page as a quick reference before a book club meeting, an exam, or a decision about whether A Good Girl's Guide to Murder is worth your time. The takeaways are written to stand on their own. If a point interests you, go back to the book for the author's full story, characters and style, which no short summary can replace.
A Note on Accuracy and Spoilers
This summary is based on the published text of A Good Girl's Guide to Murder, not on any film, series or stage adaptation, which often change the story. Details are kept at the level of the main events so that nothing is invented. Editions differ slightly in length and wording, so page numbers and small details may vary between copies.
Should You Read the Book?
Yes. It is smart, addictive and full of surprises.

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What to Read Next
- Good Girl, Bad Blood by Holly Jackson: the second book in the series
- One of Us Is Lying by Karen M. McManus: a teen murder mystery
- We Were Liars by E. Lockhart: a twisty teen mystery
Related: 15 Books Like A Good Girl’s Guide to Murder You’ll Love: Teen Mysteries and Twisty Thrillers · What Age Is A Good Girl’s Guide to Murder Appropriate For? A Parent’s Guide
Frequently Asked Questions
What is A Good Girl's Guide to Murder about?
A student investigates a five-year-old case for a school project.
Who wrote it?
Holly Jackson, in 2019.
Who is Pip?
A seventeen-year-old student and investigator.
Who is Ravi Singh?
The brother of the boy blamed for Andie's disappearance.
Where is it set?
The fictional English town of Little Kilton.
Is Sal guilty?
No, he was innocent.
Is there a TV series?
Yes, a 2024 BBC and Netflix series.
Is it a series?
Yes, a trilogy plus a novella.
What age is it for?
Teens and adults.
How long is it?
About 430 pages.
Is it violent?
It includes murder and threats.
What comes next?
Good Girl, Bad Blood.
Does it include interviews and notes?
Yes, mixed with regular chapters.
Is A Good Girl's Guide to Murder worth reading?
It depends on what you want. The book is best for readers who want a clever, gripping teen mystery told through interviews and clues. If that describes you, it is likely a good fit. If not, the titles under What to Read Next may suit you better.