Have a question, concern, or just want to say hi? We'd love to hear from you.

Email support@sentinelfnp.com We respond to all emails within 0–24 business hours.

Business Hours Monday – Friday: 9:00 AM – 5:00 PM (PST) Saturday – Sunday: Closed

Common Questions

Where is my order? Once your order ships, you'll receive an email with a tracking number. If you haven't received it, check your spam folder first. Still can't find it? Email us with your order number and we'll look into it.

I received a damaged book. What do I do? Send us a photo of the damage along with your order number at support@sentinelfnp.com and we'll take care of it right away.

Can I change or cancel my order? If your order hasn't shipped yet, we'll do our best to make changes. Email us as soon as possible with your order number.

How long does shipping take? Orders are processed within 1 business days and delivered within 6–10 business days. For full details, visit our Shipping Policy.