SELECT MAX(LibraryRepairEvent.donationsCollected)
FROM LibraryRepairEvent
WHERE EXISTS (
    SELECT 1 FROM MemberBorrowsBook
    JOIN Book ON Book.bookID = MemberBorrowsBook.bookID
    WHERE LibraryRepairEvent.organiserID = MemberBorrowsBook.memberID
)

SELECT Book.author, Book.publisher, Book.bookID
FROM Book
WHERE EXISTS (
    SELECT MAX(LibraryRepairEvent.donationsCollected) FROM LibraryRepairEvent
    JOIN MemberBorrowsBook ON MemberBorrowsBook.bookID = Book.bookID
    WHERE LibraryRepairEvent.organiserID = MemberBorrowsBook.memberID
)

SELECT bk.*, a.maxDonations
  FROM Book bk
        INNER JOIN (SELECT b.bookID, MAX(lre.donationsCollected) as maxDonations
                      FROM Book b
                            INNER JOIN MemberBorrowsBook mbb
                                    ON b.bookID = mbb.bookID
                            INNER JOIN LibraryRepairEvent lre
                                    ON mbb.memberID = lre.organiserID
                     GROUP BY b.bookID
                    ) a
               ON bk.bookID = a.bookID

select * from LibraryRepairEvent where donationsCollected =
SELECT MAX(LibraryRepairEvent.donationsCollected)
FROM LibraryRepairEvent
WHERE EXISTS (
    SELECT 1 FROM MemberBorrowsBook
    JOIN Book ON Book.bookID = MemberBorrowsBook.bookID
    WHERE LibraryRepairEvent.organiserID = MemberBorrowsBook.memberID
)