Esther Derby

Agile Retrospectives Agile Retrospectives (Pragmatic Bookshelf)
by Esther Derby, Diana Larsen, Ken Schwaber
July 2006
Print: $29.95

Behind Closed Doors Behind Closed Doors (Pragmatic Bookshelf)
by Johanna Rothman, Esther Derby
September 2005
Print: $24.95