“…This fun and friendly guide provides the direction you need to easily navigate the classic and brand new features in macOS Catalina. Longtime expert Bob "Dr. Mac" LeVitus shares his years of experience to help you better understand Catalina and make it a timesaving tool in your life. …”

“…Leading futurist Bob Johansen shows how a new way of thinking, enhanced by new technologies, will help leaders break free of limiting labels and see new gradients of possibility in a chaotic world. …”

“…Working over a period of eight years, Emmy-award-winning wildlife filmmaker Bob Landis documented the real dramas of bison in Yellowstone National Park. …”

Tabla de Contenidos: “…Blowin' in the wind ; Girl from the North Country ; Masters of war ; Down the HIghway ; Bob Dylan's blues ; A hard rain's a-gonna fall ; Don't think twice, it's al right ; Bob Dylan's Dream ; Oxford town ; Talking World war III blues ; Corrina, Corrina ; Honey, just allow me one more chance ; I shall be free…”