The Bombay Boomerang [SEP] series
The Bombay Boomerang
The Bombay Boomerang is Volume 49 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap.
This book was written for the Stratemeyer Syndicate by Vincent Buranelli in 1970.
Plot summary.
The Hardy Boys head to sea to solve the theft of mercury shipments and a government missile and to foil a terrorist plan to create havoc in the United States. 
They discover that the gang is hiding in a hotel in Baltimore, where their father, Fenton Hardy, is staying under the
Chennai, against Australia 11–16 Sep 1979). Having waited for so long, he didn't waste any time in making his presence felt. With figures of 6/103 & 2/64 he was India's best bowler in the match. He continued to perform well in the series and in the final test match at Bombay, he was one of the heroes of an India victory with figures of 5/43 & 3/60. But perhaps, his greatest joy came, when he took 4/92 at Eden Garden, Calcutta, his (adopted) home