my little what?

[strongheartmaid]

https://www.amazon.com/gp/product/B0BZK33P2Q?ref_=dbs_m_cmx_rwt_calw_tkin_0&storeType=ebooks - okay, so we have:
Rainbow Dash as Jo
Fluttershy as Beth
Applejack as Laurie
Rarity as Amy??
Twilight as Meg??
Pinkie Pie as Marmee??

I'm so confused by this