There’s a new girl at Rookwood School, and new mystery for Scarlet and Ivy to solve.

Scarlet and Ivy’s school trip takes a turn for the worse as another mystery begins to unfold... The fourth book in the SCARLET AND IVY series is perfect for fans of MURDER MOST UNLADYLIKE.

When the walls begin to speak, it is unwise to ignore what they have to say... At the bidding of their cold-hearted stepmother, twin sisters Scarlet and Ivy are sentenced to board for a year at Rookwood School. The headmaster is cruel, the hallways are drafty, and there seems to be a thief afoot. When the finger of suspicion is pointed at Scarlet, she'll do whatever it takes to clear her name—including some late-night detective work. But in the darkness of Rookwood, mysteries of the past come to light. The walls are talking of secrets past, and it's up to Scarlet and Ivy to listen to their story...

A brand-new mystery for fans of Harry Potter and Murder Most Unladylike children’s books, The Last Secret is the sixth and final book in the Scarlet and Ivy series.

When shy Ivy's troublemaking twin Scarlet vanishes from Rookwood boarding school, Ivy is invited to "take her place." But when Ivy arrives, she discovers the school's true intention; she has to pretend to be Scarlet. Ivy must think like Scarlet, act like Scarlet, become Scarlet. What on earth happened to the real Scarlet, and why is the school trying to keep it a secret? Luckily for Ivy, Scarlet isn't about to disappear without a fight. She's left pieces of her journal carefully hidden all over the school for Ivy to find. Ivy's going to figure out what happened to Scarlet. She's got to. But the staff of Rookwood is always watching, and they'll do anything to keep their secrets buried... Scarlet and Ivy Series: The Lost Twin (Book 1) The Whispers in the Walls (Book 2) The Dance in the Dark (Book 3)

Scarlet and Ivy return to creepy Rookwood School for a third mystery adventure! Perfect for fans of MURDER MOST UNLADYLIKE. With their evil headmaster, Mr Bartholomew, safely out of the picture and kindly Mrs Knight in charge, it looks like life at Rookwood School is looking up. There's a ballet recital Scarlet is desperate to star in, and more clues to uncover about the twins' mother. But after their beloved ballet teacher Miss Finch suddenly disappears and strange Madame Zelda takes her place, freakish things start happening. Poison-pen letters are circulating the school, and 'accidents' are plaguing the students. It seems that the girls are in danger once more... Is someone out for the ultimate revenge?

This 3-book collection includes The Lights Under the Lake, The Curse in the Candlelight and The Last Secret.