I was updating an older topic/post with my latest experiences about guidebooks to Portugal and after multiple updates, the topic "disappeared". Maybe the forum thought I was abusing the topic? Not sure. So I'll start a new one. In any case, the original post was soliciting experiences about the different guidebooks to Portugal, Lisbon, and Porto.
I find these overall good to great:
Rick Steves Portugal (2023) -- It's a really good planning book with lots of good information to help with movement planning, and with getting a orientation. I love that it has suggested self-guided walking tours including detailed maps. I wish some maps were in color though.
Michelin Green Guide to Portugal (2020) -- Attractive design overall. Has some self-guided walking tours for Lisbon and good contextual information. Compared to Rick Steves Portugal, it is probably a little less good for planning movement but still ok.
Lonely Planet Guide to Portugal (2019 edition) -- Old edition so I don't recommend buying necessarily, but it has a lot of information and good maps. Don't get the 2023 edition though; see below.
I find these overall rather disappointing:
Moon Guide to Lisbon and Beyond (2020) -- I thought I was going to like this but in spite of its focus primarily on Lisbon with a few other key sites, it seems you can get better information from books like Rick Steves to Portugal. It doesn't even have suggested self-guided walking tours when books from Michelin and Rick Steves have them. It only mentions professionally guided walking tours! It's not the kind of book for someone like me who likes a lot of information, likes to get an orientation, and likes to poke around.
Moon Guide to Portugal (2021) -- also, rather disappointing. Not enough information to help with planning and movement from site to site.
Lonely Planet Guide to Portugal (2023 edition) -- they've revamped their design and this book no longer holds as many detailed maps and informative text as it used to. Very disappointing. I highly do not recommend. Worst of the bunch.
I did look at various formats/editions of Fodors and Frommers to Portugal and Lisbon and they seem ok but I'm trying to stay away from them since I've already identified other guidebooks that are already great to good.
So far, I bought and will keep the Michelin Green Guide to Portugal, bought and returned the Moon Guide to Lisbon and Beyond. I wish Michelin Green Guide would come out with one specific to and more detailed for Lisbon. So far, they seem to produce good guides.
I'm waiting for my copy of the Rough Guide to Portugal to see if it's any good. I hope it is. I wasn't able to find copies anywhere local to me. I might end up buying my own copy of Rick Steves Portugal although I did photocopy a few pages from the library copy.
I was a little surprised that when I looked at the DK Eyewitness Lisbon (2023), and DK Eyewitness to Portugal (2021), that I was not as turned off by them as I used to be. I liked the walking guides and maps they provide. The illustrations of course have always been excellent and I may consider getting the one for Lisbon. It's probably less of a guidebook to help with plan, but if a particular site/sight you choose is listed in the book, you could get good information from them. And of course, their maps are great.
[See further updates in one of the post below]