As of v4.1.7. - SmartSuite now allows administrators to choose whether book information is opened in:
a) A new browser tab
OR
b) A pop-up on the same page as search results
1) Log into SmartSuite with a user that has the Role: Librarian or Administrator
2) Click -> Settings -> System Settings
3) Click the Search tab
4) Expand the Item Information Page section
5) Slide the toggle: Show book info in pop-up to Yes to enable the same page pop-up experience