where can I find free templates for a booklet?
You can get free templates here:
and paid-for ones here:
StockLayouts: Graphic Design Templates - Brochures, Flyers
and learn how to create your own here!
Watch Designing Templates with InDesign Online Video Course
and for more step-by-step information on using InDesign to produce a brochure:
Watch Designing a Brochure Online Video Course
There are a lot of places to get free graphic resources. One place I would recommend is going through https://mockupcatalog.com/ that's where I usually get my resources.
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