Delany S. Stars in My Pocket Like Grains of Sand. In English/Delany S. Stars in My Pocket Like Grains of Sand. Many of these worlds are inhabited by intelligent non-humans, though only one alien species (the mysterious Xlv) has the ability to travel faster than light.Please contact us for details on condition of available copies of the book. SKUalb5ff62592e8b66d36.