Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: The Mayor of Central Park
Product description: Avi is the award-winning author of more than seventy-five books for young readers, ranging from animal fantasy to gripping historical fiction, picture books to young adult novels. Crispin: The Cross of Lead won the Newbery Medal, and The True Confessions of Charlotte Doyle and Nothing But the Truth were awarded Newbery Honors. He is also the author of the popular Poppy series. Avi lives outside Denver, Colorado. You can visit him online at www.avi-writer.com.
Product brand: Visit Amazon's Avi Page
Target attributes: Fiction Form
Answer: attribute: fiction form
value: novels
source: product description