A four-book boxset of the globally bestselling A Good Girl's Guide to Murder trilogy plus Kill Joy. New for 2026. * This boxset is excellent value for money will capture new Holly fans with the release of the second TV series * AGGGTM series one launched in Spring 24 with a second series to follow in 2026 * 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.

Competition: One of Us is Lying;Next;Two Can Keep a Secret;The;Cousins; Hunting Party;Guest List;Invitation;Island;They Both Die at the End;This Lie Will Kill You;We Were Liars. by;CL Taylor;Lucy Foley;Richard Osman;Karen McManus;Lisa Jewell;Eva Dolan;Chelsea Pitcher;E.Lockhart;Adam Silvera; Richard Osman.