Ocean frontiersEryl Davies1979·61 pages·about 1 hour·2 editions1979first published1979Marshall Cavendish · ENGISBN 97808568568841980Viking Press · 61 pages · ENGISBN 9780670520268Playful·Whimsical·Ocean·Short readAdd to Library▾Your copyDiscusses technical solutions to the problems of undersea exploration.More about this bookWorth knowingWritten forMiddle gradeHow do you feel?PickReport a problem with this book