This is what I call a travelling document. I use to track my special needs children's achievements from year to year. You are able to mark indicators of the child's progression over a couple of years - specifically pre to year one in this case. It allows handovers to be more detailed, parents, aids and other teachers who interact with the child to simply document behaviours seen. Specialist visit pages can be increased.
Bound it is simple to use. Simply work through the book dating in the columns when behaviours are seen. Only month and year are indicated. You can add specific indicators you are looking for also.