If you are referring to the spell 'Fireball' then you can buy that from any court wizard in a main city for e.g. in Solitude you can buy it from the Court Wizard in the Blue Palace.
Also you can find the spell book in certain quests and tombs.
Fireball Tim Lawrence goes by Fireball.
Propylene glycol in fireball
The duration of The Fireball is 1.4 hours.
a fireball
The Fireball was created on 1950-11-09.
There was a large fireball which rose into the sky.
Fireball Jungle was created in 1969.
The ISBN of Fireball - novel - is 0575029749.
Fireball candies are hot sweets. The ingredients that make a fireball hot are cinnamon. The cinnamon oil is called cinnamaldehyde. Cinnamadehyde is used in the fireball to make it hot.
Fireball - novel - has 148 pages.
Fireball Jim of the band Fireball Ministry.
I like the hot fireball candies that my mom gets