Sa tsraith seo gheobhaimid amach cé na hainmhithe is lúfara, is láidre agus is tapúla ar fad. NÃos tábhachtaà fós, gheobhaimid amach cé na hainmhithe a bheadh in ann lámh in uachtar a fháil ar na lúthchleasaithe daonna is fearr sna Cluichà Oilimpeacha. Tá ceithre leabhar sa tsraith.
In this series we find out about the lightest, strongest and fastest animals. There are four books in the series.