Pat + Jen <br/><br/>
PopularMMOs  Enter the Mine 

 - UK  HarperCollins Publishers Ltd. 
<br/><br/> When Pat and Jen escaped from the underworld and settled down with their pet Bomby; their cat, Cloud; and one hundred friendly zombies, they thought their adventuring days were over. But since their return, mysterious new holes have appeared -  and more and more of their friends have disappeared!... 
<br/><br/><label>ISBN: </label>978-0-06-289429-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graphic<br/>Juvenile Fiction