Free the Beasts. Live the Adventure. Battle Beasts and fight Evil with Tom and Elenna in the bestselling adventure series for boys and girls aged 7 and up! In the mysterious Netherworld, Tom and Elenna are following an enchanted map on their Quest to defeat their old enemy, the Evil Wizard Malvel. Four brave young adventurers have been kidnapped and now our heroes must face a giant two-headed bird-Beast as they battle to save the day! There are FOUR thrilling adventures to collect in The Netherworld series - don't miss out! Ossiron the Fleshless Killer; Styx the Lurking Terror; Kaptiva the Shrieking Siren and Velakro the Lightning Bird. If you like Beast Quest , check out Adam Blade's other series: Team Hero, Sea Quest, Beast Quest: New Blood and Space Wars.