Pets in the Afterlife. Here are 3 books about survival of a pet after transition. Hope they are helpful to you.
Pets and the Afterlife. http://www.amazon.com/gp/product/B00JAKC49G/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B00JAKC49G&linkCode=as2&tag=datetipsrelaa-20&linkId=KJDLWCXETOGN4A7R
The Soul of Your Pet: http://www.amazon.com/gp/product/1558184023/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1558184023&linkCode=as2&tag=datetipsrelaa-20&linkId=CSQ4QVXGHKJ6ORP4
Pet in the Afterlife, Reincarnation: http://www.amazon.com/gp/product/B004GUSB6A/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B004GUSB6A&li