Hamlet
Frankenstein
Alice in Wonderland
Pride and Prejudice
Songs of Innocence and Experience
The Tower and other poems (this is Yeats BTW)
To the Lighthouse
The Tao Te Ching
That leaves me two for my favourite genres, hard boiled detective, and SF. I tried to pick a seminal classic from each genre. The ones I entered were
The Long Goodbye by Raymond Chandler
Star Maker by Olaf Stapledon
On reflection I should have picked
Red Harvest by Dashiell Hammett
Neuromancer by William Gibson
I notice that all my original list were penned in English by people born in the British Isles, apart from the Tao Te Ching. In fact most of them were born within about 100 miles of my birthplace. But those are my classics and I'm not amending them just for the sake of being multinational.