Deathmire — Jon Mayhew

Tom Striker is a mud lark, earning a crust foraging on the banks of The Thames for
anything worth selling. When his friend Billy goes missing, and he saves a man
claiming to be Old Father Thames, Tom and his friends are caught up in a battle
between powerful spirits.

This title is published by Franklin Watts EDGE, which produces a range of books
to get children reading with confidence. EDGE - for books children can't put down.