On a dark, crisp Copenhagen night I feasted on microalgae soup, used a slingshot to eat carambola slices and sampled insect meatballs.

Of the blimbing (Averrhoa carambola) a pentagonal fruit, containing five flattish seeds, and extremely acid, there are two sorts, called penjuru and besi.

It chronicles the establishing of Carambola Kidz and the failures and successes en route, and is written specifically to help aspiring entrepreneurs.

Australian Federal Police confirmed two premises in Melbourne were raided as part of "Operation Carambola", which is a probe into foreign bribery allegations.