A science fiction novel published in 1966.
The story is set in the year 2075 when the moon is colonized by about 3 Million people. The moon was colonized as a penal colony and most of the residents are criminals, political dissidents or their descendants. The story is narrated by Manny (a computer technician ) who is called in to determine why the central computer issues a massive cheque to an employee. The computer which Manny has named Mike has developed self awareness and a sense of humor ( hence the cheque). Manny goes to a meeting as a favour to Mike as all the phones there have been turned off and he can’t listen in. They subsequently get involved in a rebellion.
One of the additional characters introduced part way through the book is Hazel Mead (who later becomes Hazel Stone see “The Rolling Stones” who also makes another appearance in a later novel.