The Question and Answer section for Call of the Wild is a great resource to ask questions, find answers, and discuss the novel.
Buck is shocked because in his memory buckles (harnesses) were reserved for horses, working horses.
François fastened upon him an arrangement of straps and buckles. It was a harness, such as he had seen the grooms put on the...
In chapter 1,the characters include Buck - the main character; the Judge and his children. We also met Manuel the gardner who sells Buck for a sled dog because Manuel has gambling problems.
You can pick from a variety of themes at the GradeSaver link below. You will find examples there as well.