When written in 2009, this book covered a lot of networking concepts that may not have been general knowledge. Ethernet! Wi-Fi! Sharing a printer between computers! Our devices were yoked to individual machines by USB cables; we were dumb and happy.

Sixteen years later, we're much less dumb and much less happy. Anyone who needs to know what's in here already knows it. It feels unfair to rate a book poorly when it once was good, but really, you don't need to pick this up.