Because I'm a juvenile toddler of a man, and because I'm sure I'll pick up some good recommendations if I manage to elicit a response from y'all.
Maximum of SIX. Should be books you've read or at least part read. Don't worry about being on a desert island: no need for 'The Idiot's Guide to Putting Up A Shelter', here.
ANTON CHEKHOV - Collected Short Stories
LEO TOLSTOY - Anna Karenina
GUSTAVE FLAUBERT: Madame Bovary
E.H. GOMBRICH - The Story of Art
W.B. YEATS - Collected Poems
OLIVER SACKS - An Anthropologist On Mars