The titles, covers, and summaries for Adventures #22, Trouble Island (https://www.amazon.com/Trouble-Island-Hardy-Boys-Adventures/dp/1534450246/ref=as_li_ss_tl?ie=UTF8&linkCode=ll1&tag=hardboyscasee-20&linkId=517b34f372f0e25506a1b3865ad43638&language=en_US), which has a release date for February 16, 2021 and Clue Book #13, Robot Rescue! (https://www.amazon.com/Robot-Rescue-Hardy-Boys-Clue/dp/1534453369/ref=as_li_ss_tl?ie=UTF8&linkCode=ll1&tag=hardboyscasee-20&linkId=733ac40d5850ee917917ec4d5a597c0a&language=en_US), which has an April 20, 2021, release date, are both now starting to show up at various online retailers for pre-order.
(https://www.hardyboyscasefiles.com/images/comingsoon/HBA_022.jpg) (https://www.amazon.com/Trouble-Island-Hardy-Boys-Adventures/dp/1534450246/ref=as_li_ss_tl?ie=UTF8&linkCode=ll1&tag=hardboyscasee-20&linkId=517b34f372f0e25506a1b3865ad43638&language=en_US) (https://www.hardyboyscasefiles.com/images/comingsoon/CB013.jpg) (https://www.amazon.com/Robot-Rescue-Hardy-Boys-Clue/dp/1534453369/ref=as_li_ss_tl?ie=UTF8&linkCode=ll1&tag=hardboyscasee-20&linkId=733ac40d5850ee917917ec4d5a597c0a&language=en_US)