Reddit reviews Wishing Wellness: A Workbook for Children of Parents With Mental Illness

Here are a couple websites to check out:

http://www.heretohelp.bc.ca/visions/parenting-vol2/talking-to-children-and-youth

https://www.pa-fsa.org/Portals/0/Docs/Parents/Challenging-Situations/Helping_Children_Understand_Mental_Illness.pdf

You might also try reading some age-appropriate books with her that address those sorts of issues. Here are a few possibilities, some may not be relevant to your specific situation, or you may need to rephrase things a bit while reading, but hopefully it's a start...

Finding the Right Spot: When Kids Can't Live with Their Parents

Kids Need to Be Safe and Families Change - note that both mention foster care

Our Gracie Aunt - kids are placed with their aunt because their mother is unable to care for them

Let My Colors Out and The Invisible String - coping with situations involving parental illness or separation

When Mommy is Sick - mom is hospitalized, for reasons not specified, though she does come home at the end

[When Someone Has a Very Serious Illness] (http://www.amazon.com/When-Someone-Very-Serious-Illness/dp/0962050245/) - workbook format

[Wishing Wellness: A Workbook for Children of Parents with Mental Illness] (http://www.amazon.com/Wishing-Wellness-Workbook-Children-Parents/dp/1591473136/) - intended for older kids, but might give you some ideas

Maybe some books like these? You didn't specify his issues so I'm just throwing some random ones out there. Therapy is a good thing too.

Wishing Wellness: A Workbook for Children of Parents with Mental Illness https://www.amazon.com/dp/1591473136/ref=cm_sw_r_other_apa_LTCwxb8NQ22DH


A Child's Guide to Parental Depression https://www.amazon.com/dp/1929622716/ref=cm_sw_r_other_apa_ISCwxb87ASNH4


The Bipolar Bear Family: When a Parent Has Bipolar Disorder https://www.amazon.com/dp/1425929524/ref=cm_sw_r_other_apa_bVCwxbVAD1TK5