the bible: "The Prodigal Son". What does "prodigal" mean?

Questions

Which author wrote the "Redwall" series of novels?

"All human life is there" - a quotation from Henry James - was used to promote which British Sunday newspaper in the 1950s?

Which Mediterranean island has coasts on three seas - Mediterranean, Ionian, and Tyrrhenian?

Israel Tongue and who else devised the "Popish Plot"?

Which element has the chemical symbol Cs; capital C lower-case s?