Juliet thanks Sidney: his new secretary, Billee Bee Jones, sent two books of paper dolls for Kit, as well as a pair of child's scissors. Juliet expresses hope that Billee Bee is plump and motherly, as she seems very kind. In a postscript, Juliet points out that she hasn't written about Dawsey in this letter.
Billee Bee seems to know something about parenting and children, given her inclusion of scissors. This sets her up to be a resource for Juliet as she begins to figure out how to care for Kit.