Some time ago, I stumbled upon a Twitter feed from the British Library. Detail of a miniature of mice laying siege to a castle defended by a cat, from a Book of Hours, Harley MS 6563, f. 72r . Used with permission from the British Library You may have recently seen them featured in the American Libraries online newsletter. I’ve become slightly addicted to images from these manuscripts. I’ve started following other Medievalists on Twitter. On weekend mornings, I enjoy a cup of tea while browsing the images from the British Library and from a librarian named Rob Miller who tweets snappy captions for the images he posts. I’ve even had some Twitter-interactions with these fine folks who are very kind to answer questions about the images. What does this have to do with children’s librarianship, you may ask? Not a whole lot, but I do love interacting with other…