The talisman thief - Gabrielle Kent

Perfect for fans of J.K. Rowling and Roald Dahl!
When Alfie Bloom inherited a castle and a centuries-old magic, his
dull and lonely life was changed forever. But Alfie's new life
has come with dangers he never could have expected.
When Ashford the butler is kidnapped in the middle of the night,
the castle comes under threat from a terrifying enemy. Trapped inside
with only his twin cousins and best friend Amy, it's up to Alfie
to defend his inheritance and prevent a terrible fate from befalling
the whole of England!