It's not easy going, but in some ways I think the first thing to start with is OAIS. It's essential to have to have some understanding of what you want to do before you start thinking about the tools to do it.
JoAnne Yates. Control Through Communication (Johns Hopkins, 1989). A look at the evolution of technology and recordkeeping puts things in context.
Ciaran Trace, “Beyond the Magic to the Mechanism: Computers, Materiality, and What It Means for Records to Be ‘Born Digital’,” Archivaria 72 (Fall 2011), p. 5-27.
Anne R. Kenney and Nancy Y. McGovern, "The Five Organizational Stages of Digital Preservation," in Digital Libraries: A Vision for the 21st Century