<Li> Jim Rawley: Manages the camp at Weedpatch, he shows the Joads surprising favor . </Li> <Li> Muley Graves: A neighbor of the Joads'; he is invited to come along to California with them but refuses . The family leave two of their dogs with him; a third they take but it is killed by a car during their travels . </Li> <Li> Ivy and Sairy Wilson: Migrants from Kansas, they attend the death of Grampa and share the journey as far as the California state line . </Li> <Li> Mr. Wainwright: The father of Aggie Wainwright and husband of Mrs. Wainwright . Worries over his daughter Aggie . </Li>

Who wrote the grapes of wrath and what was it about