For Beekeepers to be able now to rely, for an indefinite number of years to come, upon the regular annual availability, in May and June, of a huge new nectar source, is for them an historic advance. The pattern of work through the beekeeping year is changed by it and a new yearly flow of nectar and honey in in prospect with a yield comparable to that from heather. This volume is essential reading for all those within flying distance of the rape fields or who are considering taking their bees to the rape.