This ISCP webinar by Toni Shelbourne gives a great deal of easy to implement guidance on how to help dogs who are stressed and fearful during fireworks season, and dogs who are generally noise sensitive.
Help! I'm Scared of Fireworks is available as a paperback and e-book on several websites, including Amazon: https://www.amazon.co.uk/HELP-My-Dog-Scared-Fireworks/dp/151479795X
Find out more about Toni's work at http://www.tonishelbourne.co.uk/
This webinar was hosted by The International School for Canine Psychology & Behaviour (ISCP)
http://www.theiscp.com