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One stormy night in 1934, three identical grandchildren come home to Blackwater House. By morning, Grandmother Edith is dead.

They wear identical coats. Only a button tells them apart, and only you decide what colour each one wears.

Colour the coats, follow the clues and catch the lies. Your colours decide who told the truth, who lied, and whether Grandmother Edith was murdered at all.

• 34 detailed illustrations of a 1930s cliff-top mystery
• 6 different endings: colour it again for a new truth
• Detective's worksheet and ending finder included
• Single-sided pages, so markers won't bleed through

For adults who love mysteries, puzzles and colouring.