Gregg Mangan

On This Day in Connecticut History  Gregg Mangan Hardback. History Press Library Editions, 2015-03-01 ISBN 9781540211378     On This Day in Connecticut History  Gregg Mangan Paperback. History Press, 2015-03-01 ISBN 9781626196650     The Superman Years: the Emotional Life of a Parent Caring for a Child with Type 1 Diabetes  Gregg Mangan Paperback. Createspace Independent Publishing Platform, 2012-09-01 ISBN 9781469986807