Who I'd Recommend to: Fans of Otherworld, the Land of Stories, and Eragon.
Synopsis (from Amazon):
Something has changed at the Gregson Manor. An emerald has been stolen and a dark mist infects one of its Gardens.
Jack and his cousins are thrown into a universe of black magic, dark secrets and punkeys, as they search for a way to save their world and hopefully the whole universe with it.
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