Ari's dad is a Marine Biologist and has invited Ari, Zeke and Jez to a trip out to sea to track dolphins for his research. Ari and his friends are totally stoked, but there is something lurking deep beneath the water that might derail the entire day. Before they know it, Ari must find a way to save his dad and friends from danger without becoming prey himself.

"A puzzling mystery is afoot! Thankfully, Caper Cove's finest are on the case, but the investigation takes a turn for the strange when the town's resident evil genius, Brain Sturgeon, dives into a portal to the past. Fighting crime, dodging dinosaurs, and wrangling old West outlaws, these two best friends have gotten tangled up in a mystery fit for the ages. Will this dynamic duo be able to restore the past, present, and future--or will time as we...

"Baby Shark and his best fish friend William must put their skills to the test when they play their favorite claw game!"--

"A double dose of Narwhal and Jelly in . . . [this] format! Join the underwater duo in this two-book graphic novel bind-up of their first two adventures!"--Provided by publisher.