Sedgwick, Marcus. <br/><br/>
Ghosts and gadgets / 
by Marcus Sedgwick ; illustrated by Pete Williamson. 
 - London :  Orion Childrenś,  2009. 
 - 261 p. :  ill ;  21 cm. 
 - raven mysteries .
 - The raven mysteries .
<br/><br/><label>ISBN: </label>1842556940 (hbk.) : £7.99 9781842556948 (hbk.) : £7.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ravens--Juvenile fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Fantastic fiction.