This week, a very special package arrived at Edinburgh Unesco City of Literature Trust (EUCL).

When it was carefully unwrapped, the staff found a small beautifully formed travel trunk and opening it revealed a set of wings, a flying helmet and goggles.  Also inside the trunk was a map and a tiny copy of Daphne du Maurier’s The Birds and Other Stories.

These incredible creations are the work of an anonymous artist, who in 2011, sent ten unique sculptures to various venues around the city, all connected in some way to the literary world.  The Scottish writer Ian Rankin also received his own personal work of art. Since then, this intriguing artist has managed to leave sculptures at the Edinburgh International Book Festival without being seen.

My personal favourite is the sculpture ‘Lost in a good book’.

To be awarded the title of Unesco City of Literature,  a city…