series-to-series linkage: Rick Riordan series

[Neurocomp]

Hi , Is it possible to relate/link the other non percy jackson series. I guess all the rick riordan series are kind of r related

similar to this DC -deathstroke 2014 series
"The example":
THe deathstroke 2014 series shows the other deathstroke series (btw , deathstroke 2016 series is missing this list) https://www.goodreads.com/series/1710...
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[NOTE only teh Original series Percy Jackson sort of does this, but its missing teh Kane & Magnus series]

Percy Jackson https://www.goodreads.com/series/4073...
Kane Chronicles https://www.goodreads.com/series/4997...
Heroes of Olympus https://www.goodreads.com/series/5137...
Magnus Chase https://www.goodreads.com/series/8221...
Trials Of Apollo https://www.goodreads.com/series/1620...