Lyssa Chapman — I Was Drugged the Night I Got Arrested!

Baby Lyssa Chapman mug shot
Baby Lyssa Chapman says she has a good reason for highly-publicized arrest last year — and she plans on revealing that and more in a new tell-all memoir about the family … has learned.

Baby Lyssa”s arrest was a big deal when it happened last March — and a big part of a recent episode of “Dog the Bounty Hunter.” Sources close to Lyssa tell in her planned memoir, she”ll reveal she was drugged on the night in question.

According to our sources … Lyssa, who has had substance abuse issues in the past but has clean and sober for years, even visited a doctor in the months after her arrest who deemed she did not have a substance abuse order.

We”re told the book — which is being repped by Martin Literary Management — will also detail problems with Leland and Duane Lee. According to our sources, they”ve left the bail bond business and severed ties with the rest of the family … putting next season of the show in jeopardy.

Our sources say the production company behind the show have even sent the two a letter demanding their return to production or face being kicked off the show for good.

Calls to A&E have not been returned.