One of the tests for validity of scientific information is if it has been published in reputable, peer-reviewed journals. In order to legitimise nonsense, people create journals which are far from reputable. Some will print anything that fits a certain ideological viewpoint, some specialise in publishing papers that have been rejected by places which have high standards, some will publish anything provided a fee is paid, some pretend to do peer review but allow the authors to nominate their own reviewers. Some do all of these things. This is a list of journals and publications where the contents should be taken with a grain of salt. Or even a bushel.
books that you shouldn't buy but I'll get some money if you do.
Books with reviews:
There are journals listed in this category.
(The symbol shows that there are some comments here about the publication.)
I have other things to do, so you can find really comprehensive lists of bad journals at these two places. What is disturbing is how many of them there are.