The best way to get in contact with Cookies and Scream is to drop by the bakery:

Holloway Bake Shop
130 Holloway Road
N7 8JE

Opening hours:
Monday: closed.
Tuesday: 12:00 to 18:00.
Wednesday: 12:00 to 18:00.
Thursday: 12:00 to 19:00.
Friday: 12:00 to 20:00.
Saturday: 12:00 to 20:00.
Sunday: 12:00 to 19:00.

Directions: From Holloway Rd Station turn right. The shop is approximately 350 metres down on the left hand side. From Highbury and Islington Station, turn left along Holloway Road. The shop is approximately 650 metres down on the right.