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: 10am - 8pm
Tuesday: 10am - 8pm
Wednesday: 10am - 8pm
Thursday: 10am - 8pm
Friday: 10am - 9pm
Saturday: 10am - 9pm
Sunday: 10am - 8pm

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.