Thompson, Kate,  1956- <br/><br/>
Fourth horseman / 
Kate Thompson. 
 - 1. ed. 
 - London :  RedFox,  2007, c2006. 
 - 271 p. ;  20 cm. 
<br/><br/> Laurie MacAllister, her brother Alex, and their friend Javed work to uncover the mystery behind some ghostly riders who seem to be connected to her father's work, a scientist who has accepted a job offer from a man who wants to find a virus that could put an end to gray squirrels. 
<br/><br/> 5-8.  5-8  Follett Library Resources. 
<br/><br/><br/>Text in Spanish. 
<br/><br/><label>ISBN: </label>0099495031 9780099495031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal experimentation--Juvenile fiction.<br/>Genetics--Research--Juvenile fiction.<br/>Terrorism--Juvenile fiction.<br/>Animal experimentation--Fiction.<br/>Genetics--Research--Fiction.<br/>Spanish language materials.<br/>Terrorism--Fiction.<br/>Animal experimentation--Fiction.<br/>Genetics--Research--Fiction.<br/>Spanish language.<br/>Terrorism--Fiction.
<br/><br/><label>Dewey Class. No.: </label>F THO /O