when they've read the first book & told the lady all about it, they can stick their name on '1' in the library and they are given some circus star stickers to put in their circus. same with book 2, etc until they've done 6.
and then......... for their first assembly when they return to school, the head master reads out all the names of the children who completed the circus star challenge (i.e. did the whole thing for the 6 books) and they are given a medal by the library lady, who comes to the school especially for that occasion.
nice eh? but flipping heck. you try & get 6 library visits packed in as a full time working mother when you're also off to a conference for a week & taking them camping for 2. mega phew. forget it, is the answer. good thing their grandparents are such devotees.... :-) three cheers to oma & opa for their support!