There are fans, and then there are New Kids on the Block fans.

Allston-based author Nikki Van Noy chronicles the rise, fall and rebirth of the Boston-raised boy band and the support of their loyal followers in the authorized biography “New Kids on the Block: Five Brothers and a Million Sisters” -(Simon & Schuster; $25).

“You can’t have a New Kids story without the fans,” Van Noy told the Herald. “If you look at those articles from the ’80s and ’90s, there isn’t a story about the New Kids that doesn’t involve the fans.”

The 288-page book, on sale Tuesday, weaves the voices of all five band members — Donnie Wahlberg, brothers Jordan and Jonathan Knight, Danny Wood and Joey McIntyre — with anecdotes from nearly 100 “Blockheads.”

Van Noy, 34, was among the throngs of adolescent girls pining for the band in the late ’80s.

“Seeing the fans come back in full force all those years later is a pretty crazy thing,” she said. “Talking to (band members) and watching them with the fans, it’s amazing how (in touch they are). They will sit there, and they know names of fans, have nicknames for fans.”

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