Telephone: 0300 1234 100
Search for "author:(Knight, Helen C. (Helen Cross), 1814-1906) title:(Jasper and Lucy /)" found nothing
Try limiting your search to just one of these... author:(Knight, or Helen or C. or (Helen or Cross), or 1814-1906) or title:(Jasper or and or Lucy or /)
Try the "More search options" page.