While writing The Laura Ingalls Wilder Companion: A Chapter-by-Chapter Guide , I emphasized that Wilder based the books on the real people and places in her life, but she did fictionalize the books.  "All I have told is true, but it is not the whole truth." Laura Ingalls Wilder stated, "All I have told is true, but it is not the whole truth," during a speech at the Detroit Book F…