Enid is one of 16 glorious designs in Stranded Knits, a superb technique manual and pattern collection that Ann created for Rowan Yarns. The book is available from Rowan stockists.
With several colour changes, this is a great project for learning fair isle technique. I recommend precision spit splicing for the colour changes, as taught in the book.
The given tension/gauge is after blocking. Please note that Felted Tweed DK is akin to a US sportweight/heavy fingering.