Were you surprised by the ending? Why or why not. the book is the outsiders

Read this excerpt from leah missbach day's foreword to wheels of change.bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world.what is the author's purpose for including this in the foreword?

Iback to my office after i saw the rain.

In the song mallam sile sings in lines 113 through 130 the knife probably represents