I purchased a collection yesterday, but couldn't easily find (all of) them when I went to open one of the books in a new tab. (The only reason that "Walk Genesis!" appears is because I had previously opened that resource on the desktop.)
Here, the library is only displaying some of the recent (new) resources. (If I keep scrolling, I see older purchases, but not the rest of the recently purchased collection.)

However if I search for the author, all of the collection's books do appear in the results:

Is there a reason why those specific new purchases aren't generally showing up on the Recent list?
Logos Bible Study Tools 8.0.8.0005 on iOS 12.1