248652
After success with several picturebook titles , Morton-Shaw 's career took a new turn in 2003 , when she signed a publishing deal for the teenage fantasy novel The Riddles of Epsilon with Harpercollins Children 's Books UK and US arms .
 Morton-Shaw
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Morton-Shaw