Dan Gookin books in order

4 books in the catalogue, about 30 hours of reading in all; the shortest takes 6 hours and the longest 10 hours.

4 standalone books in the catalogue.

Standalone books

DOS for Dummies 1991 5.9 h PCs for Dummies 1992 7.1 h C For Dummies 1994 10.3 h Laptops For Dummies (For Dummies (Computer/Tech)) 2004 6.6 h