Complex sentence: In January 1999 Maurice (Monju) Tiefenbrunner, a surviving member of SIG, recorded in Israel his life story in an unpublished autobiography booklet "A Long Journey Home", in which on pages 37--41 Maurice provides information on SIG unit formation and operations.
Split into simpler sentences: In January 1999, Maurice (Monju) Tiefenbrunner, a surviving member of SIG, recorded his life story in an unpublished autobiography booklet called "A Long Journey Home". On pages 37--41, he provides information on SIG unit formation and operations.