CALABASAS — The founding document of Alcoholics Anonymous, known to adherents as the “Big Book,” is heading back to auction in Calabasas after a lawsuit disputing its ownership was settled.

The Calabasas-based auction house Profiles in History announced Wednesday that the manuscript and manifesto is going up for auction on May 5, 2018. It is expected them to fetch between $2 million and $3 million.

MORE FOR BIDDERS: See the full catalog for the original June 2017 auction that included the Alcoholics Anonymous manuscript and dozens of other historic items

The 161-page typed document with yellowing pages, considered to be nearly scripture by some AA followers, give the first outline of the group’s 12-step recovery program. It is filled with handwritten notes and scribbles from the founding fathers of AA, including William Wilson, more commonly known as “Bill W.”

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It had been slated to be auctioned last June, but Alcoholics Anonymous World Services, Inc. disputed that Alabama resident Ken Roberts had the rights to it. Roberts bought the manuscript at auction in 2007 for $850,000.

Details of the settlement were not released, but Profiles in History said Alcoholics Anonymous had waived its rights to the manuscript.

Wilson’s widow Lois owned the papers after his death in 1971, and she passed them on to her friend Barry Leach. Alcoholics Anonymous said Leach signed and notarized a letter in 1979 saying the manuscript would belong to the organization after his death. He died in 1985, but the manuscript did not make its way to Alcoholics Anonymous, which did not know about the notarized letter at the time.

Its ownership history in the ensuing years is not entirely clear until 2004, when Sotheby’s auctioned it for $1.57 million. Then it sold to Roberts in 2007.

A web page devoted to the auction describes the manuscript as a “Bible to millions” that has sold 30 million copies since 1939, been translated into 43 languages and has been ranked by the Library of Congress as a top non-fiction book that shaped America.