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Daniel H Steinberg
Sketchnotes: A Field Guide for the Busy Yet Inspired Professional ...
Binaebi Akah, Charlene McBride
Agile Web Development with Rails
Sam Ruby, Dave Thomas, David Heinemeier Hansson
Shovel Knight
David L. Craddock
Rework
Jason Fried & David Heinemeier Hansson
Busy Peson Patterns
James F. Kile & Donald J. Little & Samir Shah