The title character of this work mistakenly intends to do battle with "thirty or forty hulking giants" when really he's only looking at windmills.
At the beginning of this book, some traders on their way to buy silk at Murcia beat up the title character and leave him for dead. Although he does not die, the books belonging to the title character of this work are burned by a barber and a priest, because the ideas that he had learned from those books caused him to think of  (*) Dulcinea as his love and affection. The title character of this work mistakenly intends to do battle with "thirty or forty hulking giants" when really he's only looking at windmills. For 10 points, Sancho Panza is the squire of the title character of what work by Miguel Cervantes?
At the beginning of this book, some traders on their way to buy silk at Murcia beat up the title character and leave him for dead.
Don Quixote  de la Mancha