Mrkvičková, Iva. (2018) Kryštofe, hoď mi žlutou! (Chris, throw me the yellow one!) Prague: MEANDER Publishing. Illustrations (Digital media) Chris, throw me the yellow one! tells the story of a young boy Chris who arrives to spend his summer with his grandparents. When he goes to visit the LEGO Museum with his grandpa, incredible things start happening as his grandfather transforms into his younger self, launching a summer full of strange adventures.