Might not be full bible level of importance, but if you intend to do any work on Fortran and legacy science codes, "Modern Fortran Explained" by Metcalf, Reid,

Might not be full bible level of importance, but if you intend to do any work on Fortran and legacy science codes, "Modern Fortran Explained" by Metcalf, Reid, and Cohen is a must. Better examples and explanations than anything you can find on stack overflow with a focus on f90 (the most commonly accepted flavour) while also discussing the useful parts of 2003.