Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Double Homicide: Boston/Sante Fe
Product description: Two short novels by a couple who've each gone it alone very successfully in their previous literary efforts make for a double treat for fans of both authors--Faye, whose mysteries feature a similarly uxorious couple in Rina and Peter Decker, and Jonathan, whose Alex Delaware novels starring a thoughtful child psychologist who's luckier in crime-busting than in love are even more popular. Not as satisfying as each author's full-length efforts, Double Homicide nonetheless offers a tasty side dish for their fans, and their protagonists venture beyond Los Angeles to tread new geographical territory, too. In Boston, a popular college athlete is slain in a busy nightclub, but what seems like an open-and-shut case turns out to hinge on forensic evidence that points to a very different conclusion. Detectives Michael McCain and Doris Breton unravel the mystery in Beantown, while two other new characters, Darryl Two Moons and his partner Steve Katz, discover that gallery owner Larry Olafson's brutal slaying has repercussions that resonate far beyond Santa Fe's trendy Canyon Road. Neither of these novellas makes the most of either author's gifts at character development, which lend themselves to a longer format, but that won't stop their dedicated readers from snapping them up and savoring them until the Deckers or Dr. Delaware turn up in their next adventures. --Jane Adams, It's a two-for-one bonanza--two mystery novellas from a husband and wife whose separate writing careers have earned each a huge following. These stories, set at opposite ends of the country, give barely a hint as to who wrote what, providing a little tantalizing "real-life" mystery to the puzzlers on the page. "Double Homicide: Boston," the strongest of the pair, is also the grittier of the two. A city college basketball star is shot at a nightclub following a nasty incident on the court. The prime suspect is a loudmouth on the opposing team, but as detectives McCain and Breton find out, the crime isn't as straightforward as it seems. The backdrop of "Double Homicide: Santa Fe" is a tad more refined--though murder, after all, is still murder. A cutthroat art dealer is found dead, and there are plenty of suspects in his address book--including the ex-wife of one of the investigating cops. In both stories, the cops' personal lives add welcome texture to the fairly routine if still wholly entertaining plots. A diversion for the Kellermans but sure to be of interest to their respective fans. Stephanie Zvirin Copyright American Library Association. All rights reserved
Product price: $4.40
Product brand: Visit Amazon's Jonathan Kellerman Page
Target attributes: Fiction Form
Answer: attribute: fiction form
value: novels
source: product description