No one told me you can add multiple cards to Libby

A few months ago I was getting ready for a trip by doing what I normally do: fill my e-reader full of new books. The trip included a very long journey on a train, so I wanted to make sure I had plenty to read (another reason why I prefer e-readers to physical books). I use Libby to borrow books, and my local library normally has everything I've ever searched for, usually with no waiting period either. However, now that it's Summer, that has changed. I guess everyone is doing their Summer reading or checking out books for vacation or something because there's now a waiting period for almost every single book. I keep a "to-do" list in Obsidian of all the books I'm reading/want-to-read. I was going down the list, searching for them in Libby, and I was about 20 books deep before I realized how fruitless it all was. Nothing was available. So I did some Googling and discovered you can add multiple library cards to Libby. Now, this might not be news to you, but it was to me! The library card…