go out of print什么意思

go out of print什么意思
最近和外方签订合同,这个没太看明白.
go out of print 是在下面这段话里是停止印刷吗?
更希望大家能帮我把这整个一段话看看是什么意思,
谢谢
Should the edition of the Work published under this Agreement go out of print or off the market in the Licensed Territories for over 6(six) months, and the Publishers fail to make any more reprints of the licensed edition within 60 (sixty) days after written notification from the Proprietor, then all rights granted under this Agreement shall revert to the Proprietor without further notice and without prejudice to any monies already paid or then due. Additionally, should the Work not be reprinted within six months of going out of print then the Publishers’ rights to seek or renew any sub-licence agreement shall cease. The edition of the Work shall be regarded as out of print or off the market should the Publishers’ annual statement show a stock of fewer than 100 (one hundred) copies.