The Essential Guide ili Esencijalni Vodici su referentne knjige koje izdaje Del Rey jos od 1995 godine. Ima tri generacije knjiga:
Prva generacija[]
- The Essential Guide to Characters
- The Essential Guide to Vehicles and Vessels
- The Essential Guide to Weapons and Technology
- The Essential Guide to Planets and Moons
- The Essential Guide to Droids
- The Essential Chronology
- The Essential Guide to Alien Species
Druga generacija[]
- The New Essential Guide to Characters
- The New Essential Guide to Vehicles and Vessels
- The New Essential Guide to Weapons and Technology
- The New Essential Chronology
- The New Essential Guide to Driods
- The New Essential Guide to Alien Species