Here are some online Christmas apologetics resources (Apologetics is reasons to believe/evidences for Christianity) that are free and online.
Here’s an interesting article by Dr. Jonathan Sarfati a Jewish believer in Jesus from Creation Ministries International Christmas and Genesis
Here’s one by cold Case detectives J. Warner Wallace Five Reasons You Can Trust The Story Of Christmas Is True
Here are a number of articles at Frank Turek’s Cross Examined
Here’s a link to a previous post about Tom Cantor’s common sense or parabolic apologetic approach How a Jew Learned the True Meaning of Christmas