Will you please tell us if you have any materials about Islam history in Scandinavian countries. Thank you so much.

There is a little Wikipedia article about Islam in Sweden:

http://en.wikipedia.org/wiki/Islam_in_Sweden#History

Here you have also a book about Islam in the Nordic and Baltic countries:

Islam in the Nordic and Baltic countries / edited by Göran Larsson (2009)

Here is a review of it:
http://static.sdu.dk/mediafiles//Files/Om_SDU/Centre/C_Mellemoest/Viden…

This book is in collections of some university libraries and in the library of Parliament:

http://linda.linneanet.fi/F/UKV8H2GEV7EXP8YDR7ASYIMXL9MPYAU6D4C2F7PN22M…