Covens may keep a similar group book. There is no one document taken by all Wiccans as authoritative, as in Judaism, Christianity, or Islam. Some do and some don't. Since a commonly-held belief is that what is sent out is returned to the sender threefold, Witches tend to be very careful with spells. A spell is a formula, or series of steps, to direct the will to a desired end.
Energy is drawn from the earth, concentrated, and sent out into the world.
It is believed that with proper training and intent, human minds and hearts are fully capable of performing all the magic and miracles they are ever likely to need, through the use of natural psychic power. In one such ceremony, people ran through the fields astride a broom to coax the grain to grow, or participants would leap over a broom, telling the grain to grow to the height of the highest leaping. Uninformed observations of such ceremonies could lead to tales of flying on brooms. The gods of Wicca are in no way connected with Satanic practice. Most Witches do not even believe Satan exists, and certainly do not worship him.