> I'm trying to find a children's sci fi book I read in the 60's from the
>> plot is there any easy way to do this ? ......
>>
>>
> plot two kids in a city find a circular saucer like thing...the door opens
Doesn't sound quite right but Bleep & Booster might be a candidate
If you can remember the names of any characters or places in it then Google will probably find it for you.