Articulation Lap Books for Later Sounds. R, S, Z, L, SH, CH, J, TH. This lap book is a fun and practical way to not only practice the R, S, Z, L, SH, CH, J, and TH speech sounds, but also learn about the way we produce them. Kiwi Speech on Teachers Pay Teachers. TPT Digital Download. Speech Therapy Resources. Speech/Language. Speech Therapist.