Ignition! A history of liquid rocket propellants. Little Lisper, Little Scheme is a conversation style that discusses a lot of false starts. {Coders|Founders}

Ignition! A history of liquid rocket propellants. Little Lisper, Little Scheme is a conversation style that discusses a lot of false starts. {Coders|Founders} at Work has a lot of frank talk about early mistakes people make and their pivots.