I was diagnosed ASD later in life as well; you might find this book helpful: https://www.amazon.com/Anxiety-Meltdown-Individuals-Experience-Effectively/dp/1849058431/ref=nodl_
Diagnosed as an adult I felt these two books were amazing and incredibly helpful. Everyone should read both of these.
https://www.amazon.com/Across-Spectrum-Understanding-Evangelical-Theology/dp/080103793X