The complete collection of The New York Times No.1 bestselling and multi award-winning YA crime thriller quartet! Now a major BBC and Netflix TV series starring Emma Myers. • AGGGTM TV launched in Spring 24 on BBC Iplayer and Netflix with a second series to follow soon. • Holly Jackson was the no. 1 YA author in 2023 in value and volume. • A GOOD GIRL’S GUIDE TO MURDER was the no.1 bestselling YA title of 2023. • The AGGGTM series has sold over 10 million copies globally. • Holly Jackson won the inaugural TikTok Author of the Year award.