I am not aware of there being any more than five. Are you?
The Order of Wizards (Quenya: Heren Istarion), or simply Wizards (Q.: Istari), were a group of Maiar sent to Middle-earth by the Valar in the early Third Age[1] around TA 1050 when the "Necromancer" became active in Dol Guldur.[2] They were embodied as elderly Men and entrusted to aid the Free...
lotr.fandom.com
"The
Order of Wizards (
Quenya:
Heren Istarion), or simply
Wizards (Q.:
Istari), were a group of
Maiar sent to
Middle-earth by the
Valar in the
Second and
Third Ages. They were embodied as elderly
Men and entrusted to aid the
Free Peoples against the threat of
Sauron's conquest by lending them their wisdom and counsel. They were originally known as
Five Guardians"
Not sure what book that is. I am going by the wiki, and that says they were chosen by the Valar from the Maiar and the five chosen ones were referred to as the Istari / Wizards