“Twins Matt and Emily Calder have imaginations so powerful that they can make art come to life. Their powers are sought by villains intent on accessing the terrors of Hollow Earth — a place where all the devils, demons and monsters ever imagined lie trapped for eternity. If Hollow Earth is breached, the world will be plunged into chaos. If Hollow Earth is breached . . .
… the twins are as good as dead.
Hollow Earth is a thrilling debut novel from the brother and sister team. The first in a compelling series, this page-turning fantasy for children echoes the likes of Christopher Paolini, Marcus Sedgwick and Rick Riordan.”
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