The Griffin and Sabine Saga is a series of bestselling[1][2][3] epistolary novels written by Nick Bantock.
Each story is told through a series of letters and postcards between the two main characters, Griffin Moss and Sabine Strohem.
The final book in the series, The Pharos Gate, was published in 2016, the 25th anniversary of the first publication of Griffin and Sabine.
Contemporary Authors Online has a lengthy entry on Nick Bantock and The Griffin and Sabine Trilogy.
A kickstarter campaign was launched to support the development of three new interactive apps based on Griffin and Sabine for iOS and Android.