Hundreds of books on seven library shelves, unevenly distributed before being shared equally. How many were on each shelf in ...

Hundreds of books on seven library shelves, unevenly distributed before being shared equally. How many were on each shelf in the beginning? There are puzzles with multiple solutions, and there are ...

The American Library Association responds to the Department of Education's dismissal of complaints about censorship and ...

The library sorting problem is used across computer science for organizing far more than just books. A new solution is less ...

The historian shows off the most precious volumes in his collection — including a library book that has been overdue for at ...