You've got your what in a what?
When you are engrossed a hardback or paperback one might say you have your nose in a book. The figure is apt even if in your lap and your nose is not anywhere near.
When you are actively reading an ebook do you have your nose in a tablet?
All I ask is a tall ship and a star to steer her by; John Masefield
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014, Regal 2014, 2016
Star Clippers: Royal Clipper 2015