In an Address Book, you would typically find the following types of information:
1. **Cell phone number**: This is a common piece of information stored in an address book as it allows individuals to easily contact someone using their mobile device.
2. **Birthdate**: Some address books may include birthdates to help remember and celebrate the birthdays of friends, family members, or colleagues.
3. **Email address**: Storing email addresses in an address book enables quick access to email contacts for communication purposes.
4. **Business address**: For professional contacts, having their business address in an address book can be helpful for sending mail or locating their workplace.
Overall, an address book serves as a convenient tool for storing and organizing contact information, making it easier to reach out to and stay in touch with various individuals in personal and professional networks.