Johnson, Spencer. Who moved my cheese? : an amazing way to deal with change in your work and in your life / Spencer Johnson. - New York : Putnam, c1998. - 94 pages: illustrations ; 22 cm. ISBN: 9780091816671 LCCN: 98015502 Subjects--Topical Terms: Change (Psychology) LC Class. No.: BF637.C4 / J64 W998