It's a notebook from UK designer Sukie, available through Larkmade.
According to the site:
Sukie is Darrell and Julia Gibbs from Brighton, UK. Their stunning range of notebooks, journals and agendas is loved around the world and now includes a beautiful organic textile collection. The range will be available from October 2009. Sukie is the name of Julia's childhood cat.Spotted in the latest issue of LMNOP.