Caldecott Winners   (Hosted by Association for Library Service to Children)           http://www.ala.org/alsc/awardsgrants/bookmedia/caldecottmedal/caldecottmedal
Parents’ Choice  http://www.parents-choice.org/allawards.cfm
The Kindergarten Canon, by Fordham   https://edexcellence.net/commentary/education-gadfly-daily/flypaper/2012/the-kindergarten-canon.html
Redeemed Reader https://redeemedreader.com/
Some Christian mothers review books:  https://ccbreview.blogspot.com/
Advance Publishing, owned by Author and Activist for Character Education, Carl Sommer (fyi aimed at elementary age, but still many books may be good for the 4s and the 5s)  http://advancepublishing.com/ 
 
These were the resource additions to a handout for a session on how to better read/tell stories at a conference for church related preschools.