Colour maps on endpapers.

Daisy Thistledown's epic adventure continues in the spellbinding sequel to New York Times bestseller The World Behind the Door by Pari Thomson.In a land ruled by water, treachery runs deep . . . Daisy Thistledown and the Five O'Clock Club might have defeated a terrifying foe, but their journey to find the missing Botanists is only just beginning.Desperate to join the long-awaited expedition to the heart of the Amazon, Daisy and her friends abandon the safety of magical Mallowmarsh –only to fall face-first into danger on the high seas when they find themselves pursued across the waves by Grim Reapers. Their only to find the legendary Iffenwild, a mysterious pocket of the Greenwild hidden and lost to time.But beneath the waves, a strange botanical magic stirs. And it will take all of Daisy's courage and determination – and the trust of an unexpected new friend – if she is to discover the truth that haunts Iffenwild, and save the Greenwild from a terrible fate.