| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-0-9825716-0-6 | Joseph M. Higgins | Hello...Anyone Home?: A Guide on How our Deceased Loved Ones Try to Contact Us through the Use of Signs |
| 2013 | 978-0-9825716-1-3 | Joseph M Higgins | Always Connected for Veterans: Deceased Vets Give Guidance From The Other Side (Volume 1) |
| 2014 | 978-0-9825716-2-0 | '' | I Got Your Message!: Understanding Signs From Deceased Loved Ones (Always Connected) (Volume 2) |