Nearly Neptune
 Nearly Neptune is a juvenile science fiction novel the twelfth in Hugh Walters' Chris Godfrey of U.N.E.X.A. series. It was published in the UK by Faber in 1968 in the US by Washburn Books in 1969 under the title Neptune One is Missing.As one of the best of the series it is very collectable and changes hands at sums of £100-£200 on trading sites.