Darkmere by Helen Maslin

darkmereGenre: YA thriller
Pages: 368
Publisher: Chicken House
Format: Proof copy
Source: Chicken House
Rating: 4 stars
Buy the Book: Waterstones, Amazon, The Book Depository
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Blurb:

A castle. A curse. A dangerous summer. Leo has invited Kate and a few friends to spend the summer at his inheritance, Darkmere Castle: as wild and remote as it is beautiful. Kate thinks it will be the perfect place for her and Leo to get together – but instead, she’s drawn into the dark story of a young nineteenth-century bride who haunts the tunnels and towers of the house. And whose curse now hangs over them all.