Who was the author and what was the title of book c. 194050s about a very small boy that could ride on the back of a pigeon I think the author may have been Larsen Larson or something like that.?

You"re about halfway there. the time frame is accurate, by the way kids and adults looiing back sometimes equate kiddy books with say TV in (Real Time) not reruns here and overlook the fact that books can be very old, or reprinted, revived etc. but to youthful readers or listeners they are alive and vivid. I seem to recall a tale of this type that was written by either Sigrid Undset or Selma Lagerlof (may have mispelled her name) Both were Scandinavian winners of the Nobel prize for literature. You said Larsen Larson which is certainly Nordic- Larson, unlike Lawson was originally Lars" Son. Lars is a Scandinavian male name. Larson might be (Americanized) into Lawson which certainly sounds (legal